{"product_id":"1-7-16-hss-black-gold-drill-bit-with-reduced-1-2-3-flat-shank-contractor-series_kfd3f1-7-16","title":"1-7\/16\" Reduced Shank Drill Bit | HSS Black \u0026 Gold | Reduced 1\/2\" 3-Flat Shank | KFD3F1-7\/16","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1-7\/16\" (36.5 mm)\u003c\/li\u003e \u003cli\u003eShank: Reduced 1\/2\" with 3-flat design\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eCoating: TiN-coated (Black \u0026amp; Gold)\u003c\/li\u003e \u003cli\u003eSeries: Contractor Series\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eTiN coating provides increased hardness and wear resistance, extending drill life when drilling metals.\u003c\/li\u003e \u003cli\u003e3-flat shank design improves grip and reduces slip, contributing to more stable operation.\u003c\/li\u003e \u003cli\u003eReduced 1\/2\" shank enables reliable engagement while supporting a large-diameter cutting edge.\u003c\/li\u003e \u003cli\u003eEdge geometry optimized for metal drilling to reduce wander and produce cleaner holes.\u003c\/li\u003e \u003cli\u003eDesigned for through-holes in steel, cast iron, and other common metals when paired with appropriate speed and lubrication.\u003c\/li\u003e \u003cli\u003eBest used with cutting oil or lubricant when drilling ferrous metals.\u003c\/li\u003e \u003cli\u003eHeavy-duty performance suitable for workshop or job-site environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCoating: Black \u0026amp; Gold finish (TiN-coated)\u003c\/li\u003e \u003cli\u003eShank: Reduced 1\/2\" with 3-flat design\u003c\/li\u003e \u003cli\u003eCutting diameter: 1-7\/16\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312695800087,"sku":"KFD3F1-7\/16","price":37.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_17b65206-62aa-4e17-a6f2-6aec01f6bf4c.jpg?v=1771715336","url":"https:\/\/mutualscrew.com\/products\/1-7-16-hss-black-gold-drill-bit-with-reduced-1-2-3-flat-shank-contractor-series_kfd3f1-7-16","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}