{"product_id":"3-4-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr3-4","title":"3\/4\" X 3\/16\" Aircraft Counterbore | HSS | 1\/4\" Round Shank | 4 Flute | DEWA\/CCBR3\/4","description":"\u003cdiv\u003eIndustrial cutting tools for precision counterboring in metalworking and aerospace manufacturing. This tool features a 3\/4 inch counterbore diameter, a 3\/16 inch counterbore depth, a 1\/4 inch round shank, and a 4 flute configuration, produced in High Speed Steel. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTool Type\u003c\/strong\u003e: Aircraft Counterbore\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCounterbore Diameter\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCounterbore Depth\u003c\/strong\u003e: 3\/16 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCounterbore geometry\u003c\/strong\u003e: Creates precise flat-bottom recesses for fastener heads with a 3\/4 inch diameter, enabling flush-mount hardware in aerospace and industrial assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChip evacuation\u003c\/strong\u003e: 4-flute design improves chip clearance and surface finish during high-speed milling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank compatibility\u003c\/strong\u003e: 1\/4 inch round shank standard for compatibility with common toolholders and collets.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial properties\u003c\/strong\u003e: HSS provides heat resistance and toughness suitable for machining metals such as aluminum, steel, and alloys common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Suitable for aerospace hardware installation, automotive assembly, and machinery manufacturing requiring precise countersunk features.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412322803991,"sku":"DEWA\/CCBR3\/4","price":41.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/27.jpg?v=1779459508","url":"https:\/\/mutualscrew.com\/products\/3-4-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr3-4","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}