{"product_id":"2-7-8-x-1-2-straight-shank-counterbore-1-3-4-round-shank-5-flute-hss_dewcbr2-7-8","title":"2-7\/8\" X 1\/2\" Straight Shank Counterbore | HSS | 1-3\/4\" Round Shank | 5 Flute | DEWCBR2-7\/8","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial counterbore tooling optimized for precision in metalworking environments. Engineered to deliver consistent depth control and robust performance in production settings.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCutting diameter\u003c\/strong\u003e: 2-7\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter (straight)\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter (round)\u003c\/strong\u003e: 1-3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute count\u003c\/strong\u003e: 5\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Counterboring operations for through holes in metalworking; creates flat-bottom recess for socket head cap screws; suitable for drill presses and milling machines with compatible spindles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChip evacuation\u003c\/strong\u003e: 5 flute geometry enhances chip clearance during high feed rates, reducing heat buildup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial advantages\u003c\/strong\u003e: High Speed Steel provides wear resistance and heat tolerance for repetitive cycles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank compatibility\u003c\/strong\u003e: Designed to accommodate straight shank and round shank interfaces for flexible machine tool integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412337484055,"sku":"DEWCBR2-7\/8","price":380.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/4.jpg?v=1779454687","url":"https:\/\/mutualscrew.com\/products\/2-7-8-x-1-2-straight-shank-counterbore-1-3-4-round-shank-5-flute-hss_dewcbr2-7-8","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}