{"product_id":"63-64-cobalt-drill-bit-with-1-2-reduced-shank-d-aco_d-aco63-64","title":"63\/64\" Reduced Shank Drill Bit | Cobalt | 1\/2\" Reduced Shank | D\/ACO63\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 63\/64\" (0.984375\")\u003c\/li\u003e \u003cli\u003eShank: 1\/2\" reduced shank\u003c\/li\u003e \u003cli\u003eMaterial: Cobalt drill bit (cobalt alloy; HSS variant designed for hard metals)\u003c\/li\u003e \u003cli\u003eQuantity: 1\u003c\/li\u003e \u003cli\u003eDesignation: D\/ACO\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCobalt composition offers increased heat resistance and wear life for drilling hard metals, including stainless steel and alloy steel.\u003c\/li\u003e \u003cli\u003e63\/64\" diameter yields a near-1\" bore suitable for structural and fabrication tasks in metalworking.\u003c\/li\u003e \u003cli\u003e1\/2\" reduced shank design preserves the drill body diameter, supporting precise hole geometry during use.\u003c\/li\u003e \u003cli\u003eEngineered for metalworking reliability in high-temperature environments and when brittle materials are involved.\u003c\/li\u003e \u003cli\u003eDesignation D\/ACO indicates the specific cobalt alloy geometry optimized for repeated drilling in tough metals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eShank: 1\/2\" reduced shank\u003c\/li\u003e \u003cli\u003eBody diameter: 63\/64\" (≈0.984\")\u003c\/li\u003e \u003cli\u003eOverall length: Not specified\u003c\/li\u003e \u003cli\u003eMaterial: Cobalt drill bit (cobalt alloy\/HSS variant)\u003c\/li\u003e \u003cli\u003eDesign: D\/ACO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312685314327,"sku":"D\/ACO63\/64","price":67.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-ammco13-50_d6547a61-195c-46ca-8d55-d1371aab3663.jpg?v=1771715041","url":"https:\/\/mutualscrew.com\/products\/63-64-cobalt-drill-bit-with-1-2-reduced-shank-d-aco_d-aco63-64","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}