{"id":997,"date":"2026-03-31T06:42:28","date_gmt":"2026-03-31T06:42:28","guid":{"rendered":"https:\/\/sprockets.top\/product\/finished-bore-sprocket-bs-type\/"},"modified":"2026-03-31T06:42:36","modified_gmt":"2026-03-31T06:42:36","slug":"finished-bore-sprocket-bs-type","status":"publish","type":"product","link":"https:\/\/sprockets.top\/nn\/product\/finished-bore-sprocket-bs-type\/","title":{"rendered":"Finished Bore Sprocket &#8211; BS Type"},"content":{"rendered":"<div style=\"font-size: clamp(14px, 2vw + 10px, 18px); line-height:1.7; color:#333; font-family: Arial, sans-serif; word-break: break-word; overflow-wrap: break-word;\">\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"Finished Bore Sprocket - BS Type\",\n    \"description\": \"font-size: clamp(14px, 2vw + 10px, 18px); line-height:1.7; color:#333; font-family: Arial, sans-serif; word-br\",\n    \"sku\": \"Finished-Bore-Sprocket---BS-Ty\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-power Australia Sprocket Co.,Ltd.\"\n    },\n    \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Ever-power Australia Sprocket Co.,Ltd.\"\n    }\n}<\/script><\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Finished Bore Sprocket &#8211; BS Type \u2014 Professional Grade ANSI Sprocket<\/h2>\n<p>The Ever-power Finished Bore Sprocket &#8211; BS Type is engineered to meet the rigorous demands of modern industrial power transmission. Built from AISI 1045 Carbon Steel, these sprockets cover chain sizes No.25, No.35, No.40, No.41, No.50, No.60, No.80, No.100 with pitch range 1\/4&#8243; to 1-1\/4&#8243;. Available configurations include Hub type with finished bore, keyway, and setscrew. Every unit is CNC-machined to ANSI B29.1 tolerances and undergoes 100% dimensional inspection before shipping.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sprockets.top\/wp-content\/uploads\/2026\/03\/finished-bore-sprocket-bs-type.webp\" alt=\"Finished Bore Sprocket - BS Type - Ever-power Australia\" style=\"max-width:100%; height:auto; border-radius:8px; margin:16px 0;\" loading=\"lazy\" \/><\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Technical Specifications<\/h2>\n<div style=\"overflow-x:auto; -webkit-overflow-scrolling:touch; width:100%; box-sizing:border-box;\">\n<table style=\"width:100%; border-collapse:collapse; min-width:550px;\">\n<thead>\n<tr>\n<th style=\"background:#1F4E79; color:#ffffff; padding:10px 12px; text-align:center; font-size:clamp(12px,1.5vw+8px,15px); white-space:nowrap;\">Parameter<\/th>\n<th style=\"background:#1F4E79; color:#ffffff; padding:10px 12px; text-align:center; font-size:clamp(12px,1.5vw+8px,15px); white-space:nowrap;\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Chain Compatibility<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">No.25, No.35, No.40, No.41, No.50, No.60, No.80, No.100<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Pitch Range<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">1\/4&#8243; to 1-1\/4&#8243;<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Material<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">AISI 1045 Carbon Steel<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Tooth Hardness<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Teeth HRC 50\u201360 (\u226425T); bore H7 tolerance<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Surface Treatment<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Black oxide with corrosion inhibitor<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Configuration<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Hub type with finished bore, keyway, and setscrew<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Standard<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">ANSI\/ASME B29.1, ISO 606<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Bore Tolerance<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">H7 (finished bore) \/ Pilot bore (stock)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Product Highlights<\/h2>\n<div style=\"display:flex; flex-wrap:wrap; gap:12px;\">\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"margin:0 0 8px 0; color:#1F4E79;\">&#10004; High-Capacity Design<\/h3>\n<p style=\"margin:0;\">Engineered for maximum power transmission with optimised tooth geometry that ensures smooth chain engagement and minimal energy loss across the full speed range.<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"margin:0 0 8px 0; color:#1F4E79;\">&#128737; Extended Service Life<\/h3>\n<p style=\"margin:0;\">Premium steel construction combined with precision heat treatment delivers exceptional wear resistance, reducing replacement frequency and total cost of ownership.<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"margin:0 0 8px 0; color:#1F4E79;\">&#9881; Versatile Mounting<\/h3>\n<p style=\"margin:0;\">Multiple hub configurations and bore options ensure compatibility with a wide range of shaft sizes, bearing arrangements, and installation constraints.<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"margin:0 0 8px 0; color:#1F4E79;\">&#128295; Maintenance-Friendly<\/h3>\n<p style=\"margin:0;\">Designed for straightforward inspection, lubrication, and replacement, minimising the skills and tools required for routine maintenance operations.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Chain &amp; Accessory Compatibility<\/h2>\n<p>This sprocket is compatible with all ANSI-standard roller chains of the corresponding series numbers listed above. Compatible accessories include standard taper bushings, QD bushings (where applicable), split taper bushings, shaft collars, and pillow-block or flange-mount bearings. Shaft bore ranges are determined by the chain number and hub configuration \u2014 refer to our detailed catalogue or contact engineering for specific bore availability.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sprockets.top\/wp-content\/uploads\/2026\/03\/sprockets-6.webp\" alt=\"Sprocket collection for industrial applications\" style=\"max-width:100%; height:auto; border-radius:8px; margin:16px 0;\" loading=\"lazy\" \/><\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Selection Guide<\/h2>\n<details style=\"margin:12px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79; font-size:clamp(15px,2vw+10px,19px);\">Select by Chain Number<\/summary>\n<p>Identify the chain series number stamped on your chain side plates. Match it to the sprocket series number for guaranteed compatibility. Use the same series for driver and driven sprockets.<\/p>\n<\/details>\n<details style=\"margin:12px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79; font-size:clamp(15px,2vw+10px,19px);\">Select by Application Demands<\/summary>\n<p>Light-duty conveyors and packaging: No.35\u201350. General industrial and agricultural drives: No.50\u201380. Heavy aggregate, mining, and steel processing: No.80\u2013140. Extreme-load applications: No.140\u2013200.<\/p>\n<\/details>\n<details style=\"margin:12px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79; font-size:clamp(15px,2vw+10px,19px);\">Select by Load Capacity<\/summary>\n<p>Calculate your design horsepower, apply the appropriate service factor (1.0 for uniform load, 1.3 for moderate shock, 1.5+ for heavy shock), then consult the ANSI horsepower rating tables for the minimum chain pitch and strand count that meets or exceeds your requirement.<\/p>\n<\/details>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Material &amp; Manufacturing<\/h2>\n<div style=\"overflow-x:auto; -webkit-overflow-scrolling:touch; width:100%; box-sizing:border-box;\">\n<table style=\"width:100%; border-collapse:collapse; min-width:500px;\">\n<thead>\n<tr>\n<th style=\"background:#1F4E79; color:#ffffff; padding:10px 12px; text-align:center; font-size:clamp(12px,1.5vw+8px,15px); white-space:nowrap;\">Property<\/th>\n<th style=\"background:#1F4E79; color:#ffffff; padding:10px 12px; text-align:center; font-size:clamp(12px,1.5vw+8px,15px); white-space:nowrap;\">Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Base Material<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">AISI 1045 Carbon Steel<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Carbon Content<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">0.43\u20130.50% (1045 grade)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Tensile Strength<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">\u2265 585 MPa (85 ksi)<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Heat Treatment<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Induction hardened teeth to HRC 50\u201360 (sprockets \u226425T)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Surface Finish<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Black oxide with corrosion inhibitor<\/td>\n<\/tr>\n<tr style=\"background:#f5f8fc;\">\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">Manufacturing<\/td>\n<td style=\"padding:8px 12px; text-align:center; border-bottom:1px solid #e0e0e0; font-size:clamp(12px,1.5vw+8px,15px);\">CNC hobbing, precision boring, automated deburring<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Industry Applications<\/h2>\n<div style=\"display:flex; flex-wrap:wrap; gap:12px;\">\n<div style=\"display:inline-block; width:100%; max-width:190px; text-align:center; padding:3%; box-sizing:border-box;\">\n<span style=\"font-size:36px;\">&#127981;<\/span><\/p>\n<p style=\"font-weight:700; margin:4px 0 0;\">Manufacturing<\/p>\n<p style=\"font-size:clamp(12px,1.5vw+8px,14px); color:#666;\">Production lines, automated systems<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:190px; text-align:center; padding:3%; box-sizing:border-box;\">\n<span style=\"font-size:36px;\">&#9874;<\/span><\/p>\n<p style=\"font-weight:700; margin:4px 0 0;\">Mining &amp; Aggregate<\/p>\n<p style=\"font-size:clamp(12px,1.5vw+8px,14px); color:#666;\">Crushers, screens, elevators<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:190px; text-align:center; padding:3%; box-sizing:border-box;\">\n<span style=\"font-size:36px;\">&#127806;<\/span><\/p>\n<p style=\"font-weight:700; margin:4px 0 0;\">Agriculture<\/p>\n<p style=\"font-size:clamp(12px,1.5vw+8px,14px); color:#666;\">Harvesters, irrigation, grain handling<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:190px; text-align:center; padding:3%; box-sizing:border-box;\">\n<span style=\"font-size:36px;\">&#128230;<\/span><\/p>\n<p style=\"font-weight:700; margin:4px 0 0;\">Logistics<\/p>\n<p style=\"font-size:clamp(12px,1.5vw+8px,14px); color:#666;\">Sortation, conveying, palletising<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Customer Success Stories<\/h2>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<p style=\"margin:0 0 4px;\"><span style=\"color:#f5a623;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/span> <strong>BHP Nickel West \u2014 Kalgoorlie, Australia<\/strong><\/p>\n<p style=\"margin:0; font-style:italic;\">&#8220;Pre-bored sprockets cut our shutdown changeover time from 4 hours to under 90 minutes.&#8221;<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<p style=\"margin:0 0 4px;\"><span style=\"color:#f5a623;\">&#9733;&#9733;&#9733;&#9733;&#9734;<\/span> <strong>Bosch Rexroth \u2014 Lohr, Germany<\/strong><\/p>\n<p style=\"margin:0; font-style:italic;\">&#8220;The H7 bore tolerance is spot-on every time. Consistent quality across all deliveries.&#8221;<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<p style=\"margin:0 0 4px;\"><span style=\"color:#f5a623;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/span> <strong>Samsung Engineering \u2014 Seoul, South Korea<\/strong><\/p>\n<p style=\"margin:0; font-style:italic;\">&#8220;We specified finished bore for a desalination plant project. Zero rework needed.&#8221;<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<p style=\"margin:0 0 4px;\"><span style=\"color:#f5a623;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/span> <strong>Pemex Refining \u2014 Minatitl\u00e1n, Mexico<\/strong><\/p>\n<p style=\"margin:0; font-style:italic;\">&#8220;Immediate fit-up on our pump drives. The anti-corrosion coating survived 6 months of tropical humidity in storage.&#8221;<\/p>\n<\/div>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Frequently Asked Questions<\/h2>\n<details style=\"margin:8px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79;\">What bore tolerances are standard?<\/summary>\n<p>Standard finished bores are machined to H7 tolerance. Tighter tolerances (H6, js6) are available on request.<\/p>\n<\/details>\n<details style=\"margin:8px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79;\">What keyway sizes are used?<\/summary>\n<p>Keyways follow ANSI B17.1 standards, sized to match the bore diameter. Custom metric DIN keyways are also available.<\/p>\n<\/details>\n<details style=\"margin:8px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79;\">Can I get a finished bore with no keyway?<\/summary>\n<p>Yes, we can supply finished bores without keyways for applications using friction-lock bushings or adhesive shaft retention.<\/p>\n<\/details>\n<details style=\"margin:8px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79;\">Are winch sprockets (W) available?<\/summary>\n<p>Yes, winch sprockets with special keyway configurations (KW 5\/16\u00d75\/32, setscrew at 90\u00b0) are available for No.60 and No.80 series.<\/p>\n<\/details>\n<details style=\"margin:8px 0; border:1px solid #ddd; border-radius:6px; padding:3%;\">\n<summary style=\"font-weight:700; cursor:pointer; color:#1F4E79;\">What is the stock range?<\/summary>\n<p>We stock finished bore sprockets for the most popular bore sizes in each chain series. Non-standard bores ship within 10\u201315 business days.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What bore tolerances are standard?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Standard finished bores are machined to H7 tolerance. Tighter tolerances (H6, js6) are available on request.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What keyway sizes are used?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Keyways follow ANSI B17.1 standards, sized to match the bore diameter. Custom metric DIN keyways are also available.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I get a finished bore with no keyway?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, we can supply finished bores without keyways for applications using friction-lock bushings or adhesive shaft retention.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are winch sprockets (W) available?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, winch sprockets with special keyway configurations (KW 5\\\/16\\u00d75\\\/32, setscrew at 90\\u00b0) are available for No.60 and No.80 series.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the stock range?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"We stock finished bore sprockets for the most popular bore sizes in each chain series. Non-standard bores ship within 10\\u201315 business days.\"\n            }\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Recommended Companion Products<\/h2>\n<div style=\"display:flex; flex-wrap:wrap; gap:12px;\">\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"color:#1F4E79; margin:0 0 6px;\">&#128279; Matching Roller Chains<\/h3>\n<p style=\"margin:0;\">ANSI standard and heavy-duty roller chains perfectly paired with your sprocket selection. <a href=\"https:\/\/sprockets.top\/nn\/\" style=\"color:#1F4E79;\">Browse chains<\/a><\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"color:#1F4E79; margin:0 0 6px;\">&#128296; Shaft Bushings<\/h3>\n<p style=\"margin:0;\">Taper lock, QD, and split taper bushings for secure shaft mounting.<\/p>\n<\/div>\n<div style=\"display:inline-block; width:100%; max-width:400px; box-sizing:border-box; padding:3%; background:#f9f9f9; border-radius:8px; margin:8px 0; vertical-align:top; border-left:4px solid #1F4E79; word-break:break-word; overflow-wrap:break-word;\">\n<h3 style=\"color:#1F4E79; margin:0 0 6px;\">&#9881; Bearings &amp; Housings<\/h3>\n<p style=\"margin:0;\">Pillow-block, flange-mount, and take-up bearings for complete drive systems.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/sprockets.top\/wp-content\/uploads\/2026\/03\/chains.webp\" alt=\"Industrial chains for sprocket systems\" style=\"max-width:100%; height:auto; border-radius:8px; margin:16px 0;\" loading=\"lazy\" \/><\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Installation Procedure<\/h2>\n<ol style=\"padding-left:20px;\">\n<li style=\"margin:8px 0;\"><strong>Inspect Components:<\/strong> Check sprocket teeth for shipping damage. Verify split bushing halves mate cleanly.<\/li>\n<li style=\"margin:8px 0;\"><strong>Assemble Bushing:<\/strong> Nest bushing halves into the sprocket bore. Thread bolts through the draw-up holes finger-tight.<\/li>\n<li style=\"margin:8px 0;\"><strong>Mount on Shaft:<\/strong> Position the assembly on the shaft. The split bushing allows easy placement without sliding over shaft ends.<\/li>\n<li style=\"margin:8px 0;\"><strong>Axial Positioning:<\/strong> Set the sprocket at the desired location along the shaft, ensuring chain alignment with the mating sprocket.<\/li>\n<li style=\"margin:8px 0;\"><strong>Progressive Tightening:<\/strong> Torque bolts in three stages \u2014 50%, 75%, 100% of rated torque \u2014 in a cross pattern.<\/li>\n<li style=\"margin:8px 0;\"><strong>Final Check:<\/strong> Confirm zero axial play, correct alignment, and proper chain tension before starting the drive.<\/li>\n<\/ol>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Maintenance &amp; Care<\/h2>\n<p>Weekly: Listen for chain slap or metallic clicking (indicates worn teeth). Monthly: Gauge chain wear with a calibrated elongation tool. Quarterly: Remove chain and inspect tooth flanks against a new-sprocket template. Lubricate every 1,000 hours with food-grade H1 oil in food applications or standard ISO VG 150 oil otherwise. Replace sprocket if any single tooth shows cracking or chipping.<\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#1F4E79; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #1F4E79; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Certifications &amp; Quality Assurance<\/h2>\n<p>Our sprockets meet ANSI\/ASME B29.1, ISO 606, DIN 8187, and JIS B1801 standards. The manufacturing plant is ISO 9001:2015 certified and undergoes semi-annual surveillance audits. We maintain statistical process control (SPC) on all critical dimensions and provide inspection data packages including CMM reports, surface roughness measurements, and hardness test results. For mining and heavy-industry customers, we offer extended warranty programmes and on-site technical support.<\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#E87722; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #E87722; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Why Partner with Ever-power Australia Sprocket Co., Ltd.?<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/sprockets.top\/wp-content\/uploads\/2026\/03\/sprockets-factory-4.webp\" alt=\"Ever-power sprocket factory\" style=\"max-width:100%; height:auto; border-radius:8px; margin:16px 0;\" loading=\"lazy\" \/><\/p>\n<p>We operate one of the region&#8217;s most advanced sprocket manufacturing facilities, equipped with over 150 CNC machines, automated heat-treatment furnaces, and Class 10,000 cleanroom inspection stations. With annual production capacity exceeding 5 million units, we supply tier-one OEMs in automotive, energy, mining, and construction. Our ISO 9001 and ISO 14001 certifications underscore our commitment to quality and environmental responsibility. We offer comprehensive support \u2014 from initial design consultation and finite element analysis to prototype testing and volume production \u2014 ensuring your sprocket performs exactly as specified in your application.<\/p>\n<h2 style=\"font-size:clamp(18px,2.5vw+12px,26px); color:#E87722; margin:28px 0 14px 0; font-weight:700; border-bottom:2px solid #E87722; padding-bottom:8px; word-break:break-word; overflow-wrap:break-word;\">Ready to Upgrade Your Drive System?<\/h2>\n<p>Contact our specialist team today for competitive pricing, technical support, or to request samples. We are committed to helping you find the optimal sprocket solution for your application.<\/p>\n<p style=\"text-align:center;\">\n<a href=\"https:\/\/sprockets.top\/nn\/contact\/\" style=\"display:inline-block; background:#E87722; color:#ffffff; padding:14px 32px; text-decoration:none; border-radius:6px; font-weight:700; font-size:clamp(14px,2vw+10px,18px); margin:10px 4px;\">Get a Free Quote<\/a><br \/>\n<a href=\"https:\/\/sprockets.top\/nn\/\" style=\"display:inline-block; background:#1F4E79; color:#ffffff; padding:14px 32px; text-decoration:none; border-radius:6px; font-weight:700; font-size:clamp(14px,2vw+10px,18px); margin:10px 4px;\">Explore All Products<\/a>\n<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p style=\"font-size: clamp(14px, 2vw + 10px, 18px); line-height:1.7; color:#333; font-family: Arial, sans-serif; word-break: break-word; overflow-wrap: break-word;\">Ready-to-install finished bore sprockets with precision-machined keyway and setscrew, eliminating workshop bore-machining entirely. Engineered for immediate shaft mounting in pump drives, fan systems, and conveyor applications, these BS-type sprockets save installation time and ensure exact bore-to-shaft fit for reliable torque transfer.<\/p>","protected":false},"featured_media":975,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[3504],"product_tag":[3525,3524,3527,3528,3526],"class_list":{"0":"post-997","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-sprockets","7":"product_tag-bs-type-sprocket","8":"product_tag-finished-bore-sprocket","9":"product_tag-keyed-bore-sprocket","10":"product_tag-precision-bore-sprocket","11":"product_tag-ready-to-install-sprocket","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/product\/997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/comments?post=997"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/media\/975"}],"wp:attachment":[{"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/media?parent=997"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/product_brand?post=997"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/product_cat?post=997"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sprockets.top\/nn\/wp-json\/wp\/v2\/product_tag?post=997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}