{"product_id":"1-1-8-x-5-16-straight-shank-counterbore-1-round-shank-3-flute-hss_dewcbr1-1-8","title":"1-1\/8\" X 5\/16\" Straight Shank Counterbore | HSS | 1\" Round Shank | 3 Flute | DEWCBR1-1\/8","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial counterbore tooling for precision metal fabrication. This product features a 1-1\/8 inch counterbore diameter, a 5\/16 inch straight shank, a 3 flute design, and HSS material for robust performance under demanding environments.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCounterbore diameter\u003c\/b\u003e: 1-1\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 5\/16 inch\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Straight\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS provides higher toughness and heat resistance suitable for metalworking counterboring operations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThree flute design\u003c\/b\u003e: Enhances chip evacuation and cutting stability for consistent hole depth and finish.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Straight shank enables secure seating in standard tool holders, reducing runout and improving concentricity.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCounterbore capability\u003c\/b\u003e: Delivers precise recess for flush-fastener seating and reliable joint integrity in metal assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Machine shops, fabrication facilities, automotive components, aerospace hardware, and heavy equipment assemblies requiring precise counterbored recesses.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Designed for use with compatible counterbore holders and milling centers configured for HSS counterbore tooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412336664855,"sku":"DEWCBR1-1\/8","price":59.67,"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\/1-1-8-x-5-16-straight-shank-counterbore-1-round-shank-3-flute-hss_dewcbr1-1-8","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}