{"product_id":"mte-hss-e-din-338-matkap-ucu-silindirik-sapli-kisa-altin-seri-4-2-mm","title":"Mte Hss E DIN 338 Drill Bit Cylindrical Shank Short Gold Series 4.2 mm","description":"\u003cp\u003e\u003cb\u003eMte Hss E DIN 338 Drill Bit Cylindrical Shank Short Gold Series 4.2 mm\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eGold Series, Ideal Solution for Pre-M5 Tapping and Critical Drilling in Difficult Materials\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThe \u003cb\u003eMte HSS-E DIN 338 Drill Bit (4.2 mm) Gold Series\u003c\/b\u003e is a high-performance cutting tool designed for professional and industrial drilling operations. This drill bit is optimized to offer superior performance and a long lifespan, especially in materials where standard HSS bits struggle, such as \u003cb\u003estainless steels (INOX), hardened steels\u003c\/b\u003e, and \u003cb\u003ehigh-alloy cast materials\u003c\/b\u003e. Its \u003cb\u003e4.2 mm\u003c\/b\u003e diameter is critically important as it is the \u003cb\u003eideal pilot hole diameter for M5 metric standard threads\u003c\/b\u003e.\u003c\/p\u003e \u003cp\u003eThe strength of the product comes from its \u003cb\u003eHSS-E (Cobalt Alloy High-Speed Steel)\u003c\/b\u003e material, which offers high temperature resistance, and its \u003cb\u003eGold Series (TiN or similar) coating\u003c\/b\u003e, which increases tool life and reduces friction.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eTechnical Specifications and Material Details\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThe Mte Drill Bit is manufactured to high standards for use in demanding working conditions.\u003c\/p\u003e \u003ctable border=\"0\" cellspacing=\"3\" cellpadding=\"0\"\u003e \u003cthead\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eFeature Name\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eDetailed Description\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e\n\n\u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eDiameter (Nominal)\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003e4.2 mm\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eStandard\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eDIN 338:\u003c\/b\u003e International German standard for spiral drill bits with cylindrical shanks and standard short length.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eMaterial Type\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eHSS-E (Cobalt Alloy High-Speed Steel):\u003c\/b\u003e Contains \u003cb\u003e5% Cobalt\u003c\/b\u003e alloy (mostly M35 steel), providing exceptional resistance to high temperatures (Red Hardness). This maintains sharpness and durability even at high cutting speeds.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eSurface Treatment\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eGold Series (Typically Titanium Nitride - TiN Coating):\u003c\/b\u003e Hard, thin, and gold-colored coating. Increases wear resistance, reduces the coefficient of friction, and minimizes heat buildup, thereby \u003cb\u003esignificantly extending tool life.\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eShank Type\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eCylindrical Shank:\u003c\/b\u003e Compatible with standard drill chucks.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003ePoint Angle (Estimated)\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003eTypically \u003cb\u003e135°\u003c\/b\u003e point angle and \u003cb\u003esplit point\u003c\/b\u003e geometry. This helps with excellent centering by reducing the need for a pilot hole.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eCutting Direction\u003c\/b\u003e\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003e \u003cp\u003eRight Hand Cutting\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\n\n\u003c\/table\u003e \u003cp\u003e\u003cb\u003eAreas of Use and Industries Utilized\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThis drill bit is used particularly in critical applications requiring M5 tapping operations and drilling of difficult-to-machine materials:\u003c\/p\u003e \u003cp\u003e\u003cb\u003eMachine Manufacturing and Mold Making:\u003c\/b\u003e \u003cb\u003ePre-drilling for M5 metric threads\u003c\/b\u003e (for standard 0.8 mm thread pitch). This ensures the highest thread strength.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eElectronics and Precision Engineering:\u003c\/b\u003e Drilling small, but high-strength mounting holes (for M5 bolt clearance or pilot holes).\u003c\/p\u003e \u003cp\u003e\u003cb\u003eAutomotive and Sub-Industry:\u003c\/b\u003e Drilling holes for M5 connection points in engines, chassis, and small fasteners.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eMarine and Chemical Industries:\u003c\/b\u003e Drilling in \u003cb\u003estainless steel (INOX)\u003c\/b\u003e materials, which are essential due to their high corrosion resistance.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eGeneral Metal Fabrication:\u003c\/b\u003e All drilling operations requiring critical strength and precision.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eUser Information and Benefits\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThis product appeals to professional users seeking consistently high performance, long life, and efficiency in demanding materials:\u003c\/p\u003e \u003cp\u003e\u003cb\u003eIdeal Diameter for M5 Threads:\u003c\/b\u003e The 4.2 mm diameter is the ideal pilot hole diameter for M5 (0.8 mm pitch) threads, ensuring that over approximately 80% of the thread profile is formed. This guarantees \u003cb\u003emaximum thread strength\u003c\/b\u003e.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eStainless Steel and Hard Material Capability:\u003c\/b\u003e Thanks to its HSS-E (Cobalt) content, it exhibits \u003cb\u003ehigh heat resistance\u003c\/b\u003e even in difficult-to-machine materials like stainless steels, extending tool life.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eCost\/Efficiency Optimization:\u003c\/b\u003e The TiN coating reduces friction and heat, extending tool life. This \u003cb\u003ereduces production downtime and operating costs.\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eExcellent Centering:\u003c\/b\u003e The 135° split point geometry prevents the drill from walking on the material and reduces the necessity of using a pilot drill, providing a highly accurate hole start.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eWide Material Spectrum:\u003c\/b\u003e Delivers superior performance across a wide range of materials, including high-strength steels, cast irons, and bronzes.\u003c\/p\u003e","brand":"Mte","offers":[{"title":"Default Title","offer_id":46455413047492,"sku":"B00005000420","price":135.13,"currency_code":"TRY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/9355\/6932\/files\/13729a1.png?v=1785265592","url":"https:\/\/www.karadayihirdavat.com\/en\/products\/mte-hss-e-din-338-matkap-ucu-silindirik-sapli-kisa-altin-seri-4-2-mm","provider":"Karadayı Hırdavat","version":"1.0","type":"link"}