{"product_id":"9-16-x-1-8-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr9-16","title":"9\/16\" X 1\/8\" Aircraft Counterbore | HSS | 1\/4\" Round Shank | 4 Flute | DEWA\/CCBR9\/16","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial cutting tools designed for precision counterboring in metalworking and aerospace assembly. This tool features a 9\/16\" diameter, 1\/8\" counterbore depth, a 1\/4\" round shank, 4-flute geometry, and HSS construction for reliable performance in demanding environments.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 9\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCounterbore depth\u003c\/strong\u003e: 1\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute count\u003c\/strong\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 4-flute geometry enables efficient chip evacuation and smoother bore entry when working with metal.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cstrong\u003eHSS\u003c\/strong\u003e (High Speed Steel) provides elevated heat resistance and wear resistance during high-speed counterboring of steel alloys and aluminum.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 1\/4\" round shank ensures compatibility with standard drill chucks and holders commonly used in machining centers and portable drilling equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Counterbore profile creates recessed seating for fasteners, enabling flush mounting in assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Suitable for aerospace, automotive, and industrial machinery assemblies requiring precise through-bore recesses on metal workpieces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412322476311,"sku":"DEWA\/CCBR9\/16","price":34.0,"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\/9-16-x-1-8-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr9-16","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}