{"product_id":"4-x-2-1-8-combined-drill-bit-and-countersink-5-16-round-shank-carbide_dmoccd4-60","title":"#4 X 2-1\/8\" Combined Drill Bit and Countersink | 5\/16\" Round Shank | Carbide | DMOCCD4-60","description":"\u003cdiv\u003eProfessional-grade combined drill bit and countersink designed for precision drilling and countersinking in metalworking and fabrication environments. Carbide construction with a round shank provides compatibility with standard chucks and tool holders for reliable performance. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Drill diameter #4; Overall length 2-1\/8 inch; Shank diameter 5\/16 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Carbide\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSingle-pass operation\u003c\/b\u003e: Drills and countersinks in one motion, reducing cycle time and setup complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCarbide construction\u003c\/b\u003e: High hardness and wear resistance for extended tool life in hard metals and alloys.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 5\/16 inch round shank fits standard toolholders, collets, and chucks.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHole quality\u003c\/b\u003e: Maintains concentricity between drilled hole and countersunk feature for flush fastener seating.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIndustrial applicability\u003c\/b\u003e: Suitable for metal fabrication, automotive assembly, equipment maintenance, and aerospace manufacturing workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412461150487,"sku":"DMOCCD4-60","price":41.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/59.jpg?v=1779460187","url":"https:\/\/mutualscrew.com\/products\/4-x-2-1-8-combined-drill-bit-and-countersink-5-16-round-shank-carbide_dmoccd4-60","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}