{"title":"4mm Stock Bore","description":"","products":[{"product_id":"03b8-sprocket","title":"03B8 Sprocket With Stock Bore","description":"This 03B8 sprocket is a durable, high quality, and precision sprocket with 8 teeth. Something else that is notable about this 03B8 sprocket is that it fully meets all ISO Standards, which ensures proper contact between the \u003ca href=\"https:\/\/www.usarollerchain.com\/03B-Roller-Chain-Metric-03B-Roller-Chain-p\/03b-roller-chain.htm\" target=\"_blank\"\u003e03B-1 roller chain\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand sprocket thus preventing premature wear or breakage. 03B8 sprockets with a stock bore come with the standard 4 millimeters inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes and include a key-way and set-screws. If you are needing a custom bore sprocket we the capabilities on providing those to within a fast lead time and at really great prices. For more information or to get a formal quote please contact us and we will be happy to assist you.\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e03B8 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/03B_SPROCKETS_B_HUB_DWG_df0c61fb-f101-4c36-82ad-a6981751e4eb.png?v=1737386170\" style=\"width: 139px;\" alt=\"03B8 Sprocket With Stock Bore\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 03B8\u003c\/li\u003e\n\u003cli\u003eTooth Count: 8\u003c\/li\u003e\n\u003cli\u003eThickness (T): 2.3mm\u003c\/li\u003e\n\u003cli\u003eOutside Diameter (OD): 15.2mm\u003c\/li\u003e\n\u003cli\u003ePitch Diameter (PD): 13.06mm\u003c\/li\u003e\n\u003cli\u003eHub Diameter (H): 7mm\u003c\/li\u003e\n\u003cli\u003eStock Bore (ID): 4mm\u003c\/li\u003e\n\u003cli\u003eLength Thru Bore (L): 10mm\u003c\/li\u003e\n\u003cli\u003eWeight: 0.005 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714051408239,"sku":"03B8-SPROCKET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/40B8-SPROCKET-2_11331a9c-86ac-4c82-816b-33d231a1481a.jpg?v=1756322690"}],"url":"https:\/\/usarollerchain.com\/collections\/category-s-6354.oembed","provider":"USA ROLLER CHAIN","version":"1.0","type":"link"}