{"product_id":"4-x-4-extra-long-combined-drill-bit-and-countersink-5-16-round-shank-hss_dew4x4","title":"#4 X 4\" Extra Long Combined Drill Bit and Countersink | HSS | 5\/16\" Round Shank | DEW4X4","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial grade combined drill bit and countersink for professional metal fabrication. The integrated cutting geometry enables drilling and countersinking during a single operation, delivering consistent countersink diameter and angle for deep holes and through-holes.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Length 4 inch; Shank diameter 5\/16 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\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCombined functionality\u003c\/strong\u003e: Drills and countersinks in a single operation, reducing setup time and ensuring flush countersink seating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS core provides wear resistance and suitability for drilling metal alloys, including steel and cast iron.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExtra long reach\u003c\/strong\u003e: 4 inch overall length enables access to recessed areas and deep pockets with maintained rigidity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank compatibility\u003c\/strong\u003e: 5\/16 inch round shank fits standard drill chucks and collet systems common in industrial equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated countersink geometry\u003c\/strong\u003e: Countersink profile designed to produce consistent seat angles and flush finishes on metal substrates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412460462359,"sku":"DEW4X4","price":11.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/23.jpg?v=1779459417","url":"https:\/\/mutualscrew.com\/products\/4-x-4-extra-long-combined-drill-bit-and-countersink-5-16-round-shank-hss_dew4x4","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}