{"product_id":"mte-hss-e-din-338-matkap-ucu-silindirik-sapli-kisa-altin-seri-4-5-mm","title":"MTE Hss E DIN 338 Drill Bit Cylindrical Shank Short Gold Series 4.5 mm","description":"\u003cp\u003e\u003cb\u003eMte HSS-E DIN 338 Drill Bit Cylindrical Shank Short Gold Series 4.5 mm\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eGold Series, The Ideal Solution for Pre-M5 Threading and Critical Drilling in Challenging Materials\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThe \u003cb\u003eMte HSS-E DIN 338 Drill Bit (4.5 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. The \u003cb\u003e4.5 mm\u003c\/b\u003e diameter is a critical intermediate size for operations like \u003cb\u003epre-drilling for M5 metric standard threads with approximately 75% thread engagement\u003c\/b\u003e or creating precise pin holes.\u003c\/p\u003e \u003cp\u003eThe product's strength comes from its high-temperature resistant \u003cb\u003eHSS-E (Cobalt Alloy High-Speed Steel)\u003c\/b\u003e material and its \u003cb\u003eGold Series (TiN or similar) coating\u003c\/b\u003e, which extends 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\u003e4.5 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 Its \u003cb\u003e5% Cobalt\u003c\/b\u003e alloy content (mostly M35 steel) provides 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 A hard, thin, and gold-colored coating. Increases wear resistance, reduces the coefficient of friction, and decreases heat buildup, thereby \u003cb\u003eextending 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 pilot holes.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cb\u003eDirection of Cut\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\u003eApplication Areas and Industries Used\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThis drill bit is particularly used in critical applications requiring M5 threading operations and drilling of difficult-to-machine materials:\u003c\/p\u003e \u003cp\u003e\u003cb\u003eMachinery Manufacturing and Mold Making:\u003c\/b\u003e \u003cb\u003ePre-drilling for M5 metric threads\u003c\/b\u003e (for standard 0.8 mm pitch). Used to reduce the load on the tap, especially in difficult-to-machine materials.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eElectronics and Precision Engineering:\u003c\/b\u003e Drilling small, but high-strength assembly holes (M5 bolt clearance hole or thread pre-hole).\u003c\/p\u003e \u003cp\u003e\u003cb\u003eAutomotive and Sub-Industries:\u003c\/b\u003e Drilling 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 consistent high performance, long life, and efficiency in challenging materials:\u003c\/p\u003e \u003cp\u003e\u003cb\u003eTap Protection in M5 Threading:\u003c\/b\u003e The 4.5 mm diameter reduces thread engagement to approximately 75% for M5 (0.8 mm pitch) threads. This significantly \u003cb\u003ereduces the risk of tap breakage, especially in stainless steel or thick-walled parts\u003c\/b\u003e, while providing acceptable connection strength.\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, extending tool life.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eCost\/Efficiency Optimization:\u003c\/b\u003e 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, ensuring highly precise hole starting.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eWide Material Spectrum:\u003c\/b\u003e Offers 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":46455413309636,"sku":"B00005000450","price":142.48,"currency_code":"TRY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/9355\/6932\/files\/13730a1.png?v=1785265595","url":"https:\/\/www.karadayihirdavat.com\/en\/products\/mte-hss-e-din-338-matkap-ucu-silindirik-sapli-kisa-altin-seri-4-5-mm","provider":"Karadayı Hırdavat","version":"1.0","type":"link"}