{"product_id":"7-8-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr7-8","title":"7\/8\" X 3\/16\" Aircraft Counterbore | HSS | 1\/4\" Round Shank | 4 Flute | DEWA\/CCBR7\/8","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial cutting tools for precision hole finishing and fastener seating. This 7\/8 inch diameter aircraft counterbore features a 1\/4 inch round shank, 4 flute geometry, and High-Speed Steel construction for aerospace and industrial machining.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Counterbore diameter 7\/8 inch; Counterbore depth 3\/16 inch; Shank diameter 1\/4 inch round\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\u003e4 flute design\u003c\/strong\u003e: Enables efficient chip evacuation and stable cutting in through-hole operations, improving hole quality and tool life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: Diameter 1\/4 inch round shank; compatible with standard 1\/4 inch collets and holders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCounterbore capability\u003c\/strong\u003e: Counterbore diameter 7\/8 inch with a 3\/16 inch depth to accommodate bolt heads flush seating for aerospace and industrial fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel (HSS) construction provides hardness and wear resistance at typical machine speeds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Designed for aerospace, automotive, and general industrial assembly where precise recess depth and bolt seating are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412323000599,"sku":"DEWA\/CCBR7\/8","price":44.66,"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\/7-8-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr7-8","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}