{"product_id":"06b-chain-drive-flat-sprocket-30-42-tooth-roller-chain-pitch-9-525mm","title":"06B Chain Drive Flat Sprocket 30-42 Tooth Roller Chain Chain Links Pitch 9.525mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e06B Flat Sprocket — Precision Roller Chain Drive for 9.525mm Pitch Systems\u003c\/h2\u003e\n\u003cp\u003eWhen a worn or mismatched sprocket causes chain skip, premature wear, or unexpected downtime, the fix starts with a dimensionally accurate replacement. Makers, machine builders, and maintenance technicians who rely on 06B roller chain drive systems need a flat sprocket that holds tight tolerances across every tooth — whether they're running a conveyor line, a reduction drive, or a custom power transmission build.\u003c\/p\u003e\n\u003cp\u003eThese 06B chain drive flat sprockets are machined to suit standard 06B roller chain with a 9.525 mm (3\/8 in) pitch. Available in tooth counts from 30T to 42T, each sprocket is manufactured from carbon steel with a natural or lightly finished surface. Bore dimensions and hub details vary by size — see variant options for exact specifications per tooth count.\u003c\/p\u003e\n\u003cp\u003eTypical applications include light-duty conveyor drives, agricultural equipment reduction stages, DIY go-kart and mini-bike builds, and compact industrial automation setups where a 06B roller chain sprocket replacement or custom 9.525mm pitch drive assembly is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e \u003cstrong\u003eCompatible with:\u003c\/strong\u003e Standard 06B roller chain (ISO 606 \/ BS 06B-1) — 9.525 mm (3\/8 in) pitch, 5.72 mm roller diameter.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 06B Flat Sprockets\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cstrong\u003e9.525 mm Pitch Accuracy\u003c\/strong\u003e — Tooth profile machined to ISO 606 \/ BS 06B-1 standard, ensuring smooth chain engagement and minimal vibration across the full tooth range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔢\u003c\/span\u003e\u003cstrong\u003e13 Tooth-Count Options (30T–42T)\u003c\/strong\u003e — Select the exact tooth count for your target gear ratio; each size is stocked individually or in 10-piece packs for workshop or production use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cstrong\u003eCarbon Steel Construction\u003c\/strong\u003e — Solid carbon steel body provides the structural rigidity needed for continuous-duty drive applications without adding unnecessary mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eFlat Sprocket Profile\u003c\/strong\u003e — No hub flange overhang on the drive face, making these sprockets suitable for space-constrained inline drive configurations and side-by-side multi-sprocket layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eConsistent Chain Wrap Geometry\u003c\/strong\u003e — Tooth count range from 30T to 42T supports wrap angles that reduce chain load per tooth, extending both chain and sprocket service life in moderate-speed drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eSingle or 10-Piece Packing Options\u003c\/strong\u003e — Order one piece for a repair or a 10-pack for production builds; bulk pricing is reflected automatically at checkout when you select the 10 pcs variant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — 06B Flat Sprocket\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Standard\u003c\/th\u003e\n\u003ctd\u003eISO 606 \/ BS 06B-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Pitch\u003c\/th\u003e\n\u003ctd\u003e9.525 mm (3\/8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoller Diameter (chain)\u003c\/th\u003e\n\u003ctd\u003e5.72 mm (0.225 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count Range\u003c\/th\u003e\n\u003ctd\u003e30T, 31T, 32T, 33T, 34T, 35T, 36T, 37T, 38T, 39T, 40T, 41T, 42T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSprocket Type\u003c\/th\u003e\n\u003ctd\u003eFlat (no hub flange)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHub Thickness\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKeyway\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePacking Quantity\u003c\/th\u003e\n\u003ctd\u003e1 pcs \/ 10 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich roller chain does this sprocket fit?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese sprockets are designed for standard 06B-1 roller chain conforming to ISO 606 and British Standard BS 06B-1. The chain pitch is 9.525 mm (3\/8 in) with a 5.72 mm roller diameter. Do not use with 40 ANSI or other pitch chains — the tooth profile will not match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right tooth count for my drive ratio?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eDivide the driver sprocket tooth count by the driven sprocket tooth count to get your reduction ratio. For example, a 15T driver paired with a 30T driven sprocket gives a 2:1 reduction. A higher tooth count on the driven sprocket increases torque and reduces output speed. Select your tooth count above based on your target ratio and available shaft spacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the bore diameter, and can it be re-bored?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter varies by tooth count — please see the variant options or contact us to confirm the as-supplied bore for your selected size. Carbon steel sprockets can typically be re-bored or broached by a machine shop to accept a larger shaft or keyway, provided sufficient wall thickness remains after machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these sprockets strong enough for continuous-duty use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eCarbon steel construction provides adequate strength for light-to-moderate continuous-duty applications such as conveyor drives, agricultural equipment, and DIY power transmission builds operating within the rated load limits of 06B-1 chain. For heavy shock loads or high-cycle industrial environments, consult the chain manufacturer's load tables and consider hardened or case-hardened sprockets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo these sprockets resist corrosion?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eCarbon steel has moderate corrosion resistance. For outdoor or humid environments, apply a light coat of chain lubricant or anti-rust oil to the sprocket surface during installation and maintain regular lubrication intervals. For highly corrosive environments, consider stainless steel sprocket alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the 1 pcs and 10 pcs packing options?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBoth options ship the same sprocket — the 10 pcs pack simply contains ten identical sprockets at a lower per-unit price, making it suitable for production builds, spare parts inventory, or workshop stocking. Select your preferred packing quantity in the Packing Quantity option above before adding to cart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this sprocket with double-strand 06B-2 chain?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. These are single-strand flat sprockets designed for 06B-1 (single-strand) roller chain only. Double-strand 06B-2 chain requires a wider, dual-row sprocket with matching strand spacing. Using a single-strand sprocket with double-strand chain will result in misalignment and accelerated wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003eSize (tooth count)\u003c\/strong\u003e and \u003cstrong\u003ePacking Quantity\u003c\/strong\u003e above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"6B - 42T \/ 1 pcs","offer_id":52423401013522,"sku":"GYWYPSHXJZC1686x1","price":30.53,"currency_code":"USD","in_stock":true},{"title":"6B - 41T \/ 1 pcs","offer_id":52423401046290,"sku":"GYWYPSHXJZC1687x1","price":29.17,"currency_code":"USD","in_stock":true},{"title":"6B - 40T \/ 1 pcs","offer_id":52423401079058,"sku":"GYWYPSHXJZC1688x1","price":27.87,"currency_code":"USD","in_stock":true},{"title":"6B - 39T \/ 1 pcs","offer_id":52423401111826,"sku":"GYWYPSHXJZC1689x1","price":26.59,"currency_code":"USD","in_stock":true},{"title":"6B - 38T \/ 1 pcs","offer_id":52423401144594,"sku":"GYWYPSHXJZC1690x1","price":25.15,"currency_code":"USD","in_stock":true},{"title":"6B - 36T \/ 1 pcs","offer_id":52423401177362,"sku":"GYWYPSHXJZC1691x1","price":22.83,"currency_code":"USD","in_stock":true},{"title":"6B - 35T \/ 1 pcs","offer_id":52423401210130,"sku":"GYWYPSHXJZC1692x1","price":21.75,"currency_code":"USD","in_stock":true},{"title":"6B - 34T \/ 1 pcs","offer_id":52423401242898,"sku":"GYWYPSHXJZC1693x1","price":20.52,"currency_code":"USD","in_stock":true},{"title":"6B - 33T \/ 1 pcs","offer_id":52423401275666,"sku":"GYWYPSHXJZC1694x1","price":29.09,"currency_code":"USD","in_stock":true},{"title":"6B - 32T \/ 1 pcs","offer_id":52423401308434,"sku":"GYWYPSHXJZC1695x1","price":18.21,"currency_code":"USD","in_stock":true},{"title":"6B - 31T \/ 1 pcs","offer_id":52423401341202,"sku":"GYWYPSHXJZC1696x1","price":17.26,"currency_code":"USD","in_stock":true},{"title":"6B - 30T \/ 1 pcs","offer_id":52423401373970,"sku":"GYWYPSHXJZC1697x1","price":16.03,"currency_code":"USD","in_stock":true},{"title":"6B - 37T \/ 1 pcs","offer_id":52423401406738,"sku":"GYWYPSHXJZC1698x1","price":23.46,"currency_code":"USD","in_stock":true},{"title":"6B - 42T \/ 10 pcs","offer_id":52423401439506,"sku":"GYWYPSHXJZC1686x10","price":294.02,"currency_code":"USD","in_stock":true},{"title":"6B - 41T \/ 10 pcs","offer_id":52423401472274,"sku":"GYWYPSHXJZC1687x10","price":280.01,"currency_code":"USD","in_stock":true},{"title":"6B - 40T \/ 10 pcs","offer_id":52423401505042,"sku":"GYWYPSHXJZC1688x10","price":267.5,"currency_code":"USD","in_stock":true},{"title":"6B - 39T \/ 10 pcs","offer_id":52423401537810,"sku":"GYWYPSHXJZC1689x10","price":254.44,"currency_code":"USD","in_stock":true},{"title":"6B - 38T \/ 10 pcs","offer_id":52423401570578,"sku":"GYWYPSHXJZC1690x10","price":240.52,"currency_code":"USD","in_stock":true},{"title":"6B - 36T \/ 10 pcs","offer_id":52423401603346,"sku":"GYWYPSHXJZC1691x10","price":216.85,"currency_code":"USD","in_stock":true},{"title":"6B - 35T \/ 10 pcs","offer_id":52423401636114,"sku":"GYWYPSHXJZC1692x10","price":206.24,"currency_code":"USD","in_stock":true},{"title":"6B - 34T \/ 10 pcs","offer_id":52423401668882,"sku":"GYWYPSHXJZC1693x10","price":193.73,"currency_code":"USD","in_stock":true},{"title":"6B - 33T \/ 10 pcs","offer_id":52423401701650,"sku":"GYWYPSHXJZC1694x10","price":279.55,"currency_code":"USD","in_stock":true},{"title":"6B - 32T \/ 10 pcs","offer_id":52423401734418,"sku":"GYWYPSHXJZC1695x10","price":171.07,"currency_code":"USD","in_stock":true},{"title":"6B - 31T \/ 10 pcs","offer_id":52423401767186,"sku":"GYWYPSHXJZC1696x10","price":160.87,"currency_code":"USD","in_stock":true},{"title":"6B - 30T \/ 10 pcs","offer_id":52423401799954,"sku":"GYWYPSHXJZC1697x10","price":149.31,"currency_code":"USD","in_stock":true},{"title":"6B - 37T \/ 10 pcs","offer_id":52423401832722,"sku":"GYWYPSHXJZC1698x10","price":223.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture2of5_2890b5fb-62ff-40d8-ac3e-536fb7b15d11.jpg?v=1782827021","url":"https:\/\/homediyer.com\/products\/06b-chain-drive-flat-sprocket-30-42-tooth-roller-chain-pitch-9-525mm","provider":"HomeDIYer","version":"1.0","type":"link"}