{"product_id":"7-8-cobalt-drill-bit-with-1-2-reduced-shank-d-aco_d-aco7-8","title":"7\/8\" Reduced Shank Drill Bit | Cobalt | 1\/2\" Reduced Shank | D\/ACO7\/8","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 7\/8 in (0.875 in)\u003c\/li\u003e \u003cli\u003eShank: 1\/2 in Reduced Shank\u003c\/li\u003e \u003cli\u003eMaterial: Cobalt drill bit\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e \u003cli\u003eBrand\/Series: D\/ACO\u003c\/li\u003e \u003cli\u003eCoating: Not specified\u003c\/li\u003e \u003cli\u003eLength: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCobalt alloy construction provides higher heat resistance and edge retention than standard HSS, extending tool life when drilling hard metals.\u003c\/li\u003e \u003cli\u003e7\/8\" cutting diameter enables larger holes in steels and alloys, reducing secondary operations.\u003c\/li\u003e \u003cli\u003e1\/2\" reduced shank design allows use in smaller chucks\/collets while delivering the same cutting edge performance as a full-size shank.\u003c\/li\u003e \u003cli\u003eTip geometry and grinding optimized for controlled cutting and reduced walking on tough materials.\u003c\/li\u003e \u003cli\u003eDesigned for demanding drilling tasks in shop environments, including stainless steel, alloy steel, and cast iron.\u003c\/li\u003e \u003cli\u003eEffective with proper lubrication and appropriate feed rates to maximize performance and tool life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCutting diameter: 7\/8 in (0.875 in)\u003c\/li\u003e \u003cli\u003eShank diameter: 1\/2 in (reduced)\u003c\/li\u003e \u003cli\u003eCoating: Not specified\u003c\/li\u003e \u003cli\u003eOverall length: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312684658967,"sku":"D\/ACO7\/8","price":49.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-ammco13-50_50d3e2df-55c1-4a0d-828a-412363c07b7f.jpg?v=1771715024","url":"https:\/\/mutualscrew.com\/products\/7-8-cobalt-drill-bit-with-1-2-reduced-shank-d-aco_d-aco7-8","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}