{"product_id":"31-32-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr31-32","title":"31\/32\" X 3\/16\" Aircraft Counterbore | HSS | 1\/4\" Round Shank | 4 Flute | DEWA\/CCBR31\/32","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial machining tools for precision counterboring in aerospace, defense, and heavy equipment manufacturing. This variant features a 31\/32\" counterbore diameter with a 3\/16\" depth, a 1\/4\" round shank, and a 4-flute High Speed Steel construction for reliable performance.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCounterbore diameter\u003c\/b\u003e: 31\/32\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCounterbore depth\u003c\/b\u003e: 3\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 1\/4\" round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High Speed Steel (HSS) provides heat resistance and edge retention for metalworking operations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count\u003c\/b\u003e: 4-flute geometry improves chip evacuation and maintains cutting efficiency during counterboring.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 1\/4\" round shank fits standard tool holders and collets in CNC and manual machines.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCounterbore capability\u003c\/b\u003e: Creates a precise 31\/32\" diameter counterbore to a depth of 3\/16\", enabling flush seating of fasteners in common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUse cases\u003c\/b\u003e: Suitable for aerospace panel assemblies, automotive frame components, and structural hardware installations requiring accurate fastener seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412323229975,"sku":"DEWA\/CCBR31\/32","price":56.21,"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\/31-32-x-3-16-aircraft-counterbore-1-4-round-shank-4-flute-hss_dewa-ccbr31-32","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}