{"product_id":"bosch-professional-hss-step-drill-bit-4-20mm-9-steps-1-4-hex-shank-2608597524","title":"Bosch Professional HSS Step Drill Bit (4-20mm), 9 Steps, 1\/4\" Hex Shank ( 2608597524 )","description":"\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"color: #0b5394;\"\u003e\u003cstrong\u003eHIGHLIGHTS:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBosch Professional HSS Step Drill Bit 4–20mm (2608597524)\u003c\/strong\u003e is a precision drilling accessory designed for \u003cstrong\u003eclean, multi-diameter hole drilling in sheet metal, plastics, and non-ferrous materials\u003c\/strong\u003e. With a stepped geometry featuring \u003cstrong\u003e9 progressive cutting stages\u003c\/strong\u003e, it allows multiple hole sizes to be drilled using a single bit—eliminating the need for frequent tool changes.\u003c\/p\u003e\n\u003cp\u003eBuilt from \u003cstrong\u003ehigh-speed steel (HSS)\u003c\/strong\u003e, this step drill bit delivers \u003cstrong\u003ehigh durability, smooth cutting performance, and efficient chip removal\u003c\/strong\u003e. The \u003cstrong\u003esplit-point tip design\u003c\/strong\u003e enables easy starting without pre-punching, while the CNC-ground spiral flute ensures reduced vibration and stable drilling performance.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e1\/4\" hex shank\u003c\/strong\u003e provides a secure connection in drill chucks and impact drivers, ensuring \u003cstrong\u003emaximum torque transfer and reduced slipping\u003c\/strong\u003e. Laser-marked step sizes improve visibility and accuracy during operation.\u003c\/p\u003e\n\u003cp\u003eThis tool is optimized for professional applications requiring \u003cstrong\u003eclean, burr-free holes ranging from 4mm to 20mm\u003c\/strong\u003e, making it ideal for electrical installations, HVAC work, automotive panels, and general metal fabrication.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"color: #0b5394;\"\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Step Cutting Geometry\u003c\/strong\u003e for multiple hole diameters (4–20mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Steel (HSS) Construction\u003c\/strong\u003e for long tool life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit-Point Tip\u003c\/strong\u003e for easy, precise starting without center punching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-Ground Spiral Flute\u003c\/strong\u003e for efficient chip removal and low vibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" Hex Shank\u003c\/strong\u003e for secure grip and high torque transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser-Etched Step Markings\u003c\/strong\u003e for accurate drilling control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Burr-Free Drilling\u003c\/strong\u003e in thin sheet materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for electricians, metal fabricators, and installers needing a versatile step drill solution for fast, accurate hole enlargement in thin materials.\u003c\/p\u003e\n\u003cstyle\u003e\ntable {\n  border: none;\n  border-collapse: collapse;\n  width: 100%;\n  }\n\ntd {\n  border: none;\n  text-align: left;\n padding: 3px;\n   color:black;\n}\n  td:first-child {\n    font-weight: bold;\n  }\nth {\n  text-align: left;\n}\n\ntr:nth-child(odd) {\n  background-color: #E6EEF0;\n}\n--\u003e\u003c\/style\u003e\n\u003ctable\u003e\n\u003ccaption\u003e\u003cspan style=\"color: #0b5394; float: left;\"\u003e\u003cstrong\u003eSPECIFICATIONS:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/caption\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable style=\"font-size: 0.875rem;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHSS Step Drill Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Part Number\u003c\/td\u003e\n\u003ctd\u003e2608597524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrilling Range\u003c\/td\u003e\n\u003ctd\u003e4 – 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Steps\u003c\/td\u003e\n\u003ctd\u003e9 Steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Steel (HSS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank Type\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Hex Shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool Compatibility\u003c\/td\u003e\n\u003ctd\u003eRotary Drills \/ Impact Drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSheet Metal \/ Plastics \/ Non-Ferrous Metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":48633488048360,"sku":null,"price":1774.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/1777\/files\/2608597524.jpg?v=1781080312","url":"https:\/\/www.gigatools.ph\/products\/bosch-professional-hss-step-drill-bit-4-20mm-9-steps-1-4-hex-shank-2608597524","provider":"GIGATOOLS Industrial Center","version":"1.0","type":"link"}