{"product_id":"21-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f21-32","title":"21\/32\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F21\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank size: 21\/32\" Reduced Shank\u003c\/li\u003e \u003cli\u003eShank drive: 3-Flat\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReduced-shank design (21\/32\") lets this drill bit work in machines with smaller chuck capacities while maintaining a 1\/2\" cutting diameter.\u003c\/li\u003e \u003cli\u003e3-flat shank provides positive drive and minimizes slippage in drill chucks for consistent performance.\u003c\/li\u003e \u003cli\u003eHigh-Speed Steel construction offers improved heat resistance for metalworking and fabrication tasks compared to standard carbon steel bits.\u003c\/li\u003e \u003cli\u003eD\/A3F Series is built for reliable, everyday drilling in workshop environments.\u003c\/li\u003e \u003cli\u003eVersatile use cases include drilling through metals such as steel and aluminum in handheld drills, drill presses, and CNC machines that support 1\/2\" diameter bits with this shank geometry.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eDiameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank: 21\/32\" Reduced Shank with 3-Flat drive\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665456919,"sku":"D\/A3F21\/32","price":17.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_d30bbbf8-94a2-4741-8574-ea98865b1256.jpg?v=1771714381","url":"https:\/\/mutualscrew.com\/products\/21-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f21-32","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}