{"product_id":"13-16-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr13-16","title":"13\/16\" X 3\/16\" Aircraft Counterbore | HSS | 1\/4\" Round Shank | 4 Flute | DEWA\/CCBR13\/16","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial cutting tools for aerospace and heavy industrial manufacturing. Counterbore tooling provides precise, flush seating for fasteners with controlled depth and clean cavity walls.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Diameter 13\/16 inch; Counterbore depth 3\/16 inch; Shank diameter 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS (High-Speed Steel)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e4‑flute geometry\u003c\/strong\u003e: Optimizes chip evacuation and yields clean, precise counterbore cavities for flush fastener seating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS (High-Speed Steel) core provides wear resistance and sustained performance at typical milling speeds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank compatibility\u003c\/strong\u003e: 1\/4 inch round shank fits standard tool holders and CNC collets.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Suitable for drilling and counterboring aluminum and steel components in aircraft hardware assembly, automotive manufacturing, and general industrial fabrication where flush fastener siting is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412322869527,"sku":"DEWA\/CCBR13\/16","price":42.63,"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\/13-16-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr13-16","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}