{"product_id":"39-64-cobalt-drill-bit-with-3-8-reduced-shank-d-aco_d-aco3-8x39-64","title":"39\/64\" Reduced Shank Drill Bit | Cobalt | 3\/8\" Reduced Shank | D\/ACO3\/8X39\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 39\/64 in (0.609375 in)\u003c\/li\u003e \u003cli\u003eShank: 3\/8 in reduced shank\u003c\/li\u003e \u003cli\u003eMaterial: Cobalt (D\/ACO)\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCobalt alloy\u003c\/strong\u003e delivers increased hardness and heat resistance for drilling through hard metals, including \u003cstrong\u003estainless steel\u003c\/strong\u003e and \u003cstrong\u003ealloy steels\u003c\/strong\u003e.\u003c\/li\u003e \u003cli\u003eReduced shank geometry (3\/8 in) provides a compact profile for metalworking setups and maintains stable cutting under demanding use.\u003c\/li\u003e \u003cli\u003eLonger tool life under high-temperature drilling conditions, reducing tool changes during tough metalworking tasks.\u003c\/li\u003e \u003cli\u003eUse cases: automotive repair, equipment maintenance, and fabrication projects involving stainless or hardened alloys.\u003c\/li\u003e \u003cli\u003eCompared to standard high-speed steel bits, this cobalt bit offers improved performance when drilling through hard metals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 39\/64 in (0.609375 in)\u003c\/li\u003e \u003cli\u003eShank: 3\/8 in reduced shank\u003c\/li\u003e \u003cli\u003eMaterial: Cobalt (D\/ACO)\u003c\/li\u003e \u003cli\u003eModel\/Brand: D\/ACO\u003c\/li\u003e \u003cli\u003eLength: not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312705401111,"sku":"D\/ACO3\/8X39\/64","price":44.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-ammco13-50_e295d691-a3b2-44ab-933e-ca8b32843b28.jpg?v=1771715839","url":"https:\/\/mutualscrew.com\/products\/39-64-cobalt-drill-bit-with-3-8-reduced-shank-d-aco_d-aco3-8x39-64","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}