{"product_id":"1-3-8-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f1-3-8","title":"1-3\/8\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F1-3\/8","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBit diameter\u003c\/strong\u003e: 1-3\/8\" (1.375\")\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/2\", 3-flat design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: 3-flat\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: D\/A3F\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReduced shank\u003c\/strong\u003e to 1\/2\" with a 3-flat geometry to minimize slippage and maintain stable rotation during drilling of large holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-flat shank\u003c\/strong\u003e design provides a stronger grip and reduces wobble under cutting loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS construction\u003c\/strong\u003e delivers heat resistance suitable for metalworking drilling tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLarge-diameter hole capability\u003c\/strong\u003e: optimized for drilling 1-3\/8\" holes in metals such as steel, cast iron, and aluminum with appropriate feeds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e: HSS drill bit, 1-3\/8\" diameter, 1\/2\" reduced shank, 3-flat\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: D\/A3F\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging\u003c\/strong\u003e: 1 piece per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666603799,"sku":"D\/A3F1-3\/8","price":69.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_f97c56d4-fac9-4e46-87a1-9c15c9431038.jpg?v=1771714455","url":"https:\/\/mutualscrew.com\/products\/1-3-8-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f1-3-8","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}