{"product_id":"40-sprocket-21t-3-4-bore-hardened-black-oxide-size-21-teeth-style-3-4-in-bore","title":"#40 Sprocket 21T 3\/4\" Bore Hardened Black Oxide - size: 21 teeth, style: 3\/4\" in bore","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-Machined Bore for Seamless Fit: 21 tooth with 3\/4\" bore diameter and 3\/16\" x 3\/32\" keyway. Ultra-precise dimensions ensure perfect integration with matching components for smooth power transmission.\u003c\/li\u003e\n\u003cli\u003ePremium AISI 1045 Steel with Hardened Teeth: High-temperature quenched for exceptional wear resistance and durability in demanding applications.\u003c\/li\u003e\n\u003cli\u003eANSI Standard: This 40BS21 sprocket comes with a 3\/4'' precision-machined hole, featuring a keyway and three set screws. Its teeth are hardened to enhance durability. This sprocket fully complies with all ANSI standards.\u003c\/li\u003e\n\u003cli\u003eBlack Oxide Coating for Corrosion Resistance: All-over rust-proof finish extends service life, even in harsh environments.\u003c\/li\u003e\n\u003cli\u003eLow-Maintenance Versatility: Requires only lubrication for easy upkeep. Ideal for industrial equipment, conveyors, agricultural machinery, and DIY projects.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: HJGuamou","offers":[{"title":"Default Title","offer_id":48502023225602,"sku":"B0FN4SBVYW-size-21-teeth-style-3-4-in-bore","price":44.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/2534\/0418\/files\/21Fkh_GbEbL.jpg?v=1789497950","url":"https:\/\/mrovanta.com\/products\/40-sprocket-21t-3-4-bore-hardened-black-oxide-size-21-teeth-style-3-4-in-bore","provider":"MROVanta","version":"1.0","type":"link"}