{"product_id":"9-32-x-3-32-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr9-32","title":"9\/32\" X 3\/32\" Aircraft Counterbore | HSS | 1\/4\" Round Shank | 4 Flute | DEWA\/CCBR9\/32","description":"\u003cdiv\u003eIndustrial counterbore milling tool optimized for aerospace-grade bolt-hole seating and high-precision pocketing on aluminum and alloy steels. The cutter features 9\/32 inch diameter, 3\/32 inch counterbore depth, a 1\/4 inch round shank, 4 flutes, and High-Speed Steel construction for demanding machining applications. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 9\/32 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCounterbore depth\u003c\/b\u003e: 3\/32 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: Round, 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e (grade): HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Counterboring bolt holes in aluminum alloys and structural steels for aerospace and industrial components.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eGeometry\u003c\/b\u003e: 4-flute configuration enables efficient material removal, reliable chip evacuation, and smoother bore finishes.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 1\/4 inch round shank fits standard CNC collets and end mill holders, facilitating quick tool changes.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial properties\u003c\/b\u003e: High-Speed Steel provides heat resistance, edge retention, and re-sharpening capability for extended tooling life in repetitive cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412321984791,"sku":"DEWA\/CCBR9\/32","price":25.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/52.jpg?v=1779460151","url":"https:\/\/mutualscrew.com\/products\/9-32-x-3-32-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr9-32","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}