{"product_id":"sinyeenglon-5-8-drill-bit-for-metal-hardened-steel-m35-cobalt-1-2-shank-industrial-grade","title":"Sinyeenglon 5\/8 Drill Bit for Metal \u0026 Hardened Steel – M35 Cobalt, 1\/2 Shank, Industrial Grade","description":"\u003cp\u003eIntroducing the Sinyeenglon 5\/8 drill bit designed for metalworking and demanding materials. Built with M35 cobalt, this bit emphasizes hardness and efficiency, helping you cut through stainless steel, cast iron, copper, aluminum, titanium, and hardwood with confidence. The tool's balanced geometry and robust construction aim to support consistent results across a range of projects, from fabrication to repairs.\u003c\/p\u003e\n\u003cp\u003eKey features combine to support a reliable drilling experience in busy shops and on-site jobs. The cobalt M35 material delivers hardness that resists wear, while the Aluminum Titanium Nitride coating offers better resistance to high temperatures and oxidation, extending life under hot cutting conditions.\u003c\/p\u003e\n\u003ch3\u003eWhat makes it work well\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCobalt M35 material delivers exceptional hardness and fast cutting, with a life span reported as up to 12x longer than standard HSS titanium-coated bits.\u003c\/li\u003e\n  \u003cli\u003eAluminum Titanium Nitride coating increases heat resistance and oxidation resistance for longer tool life in tough materials.\u003c\/li\u003e\n  \u003cli\u003eHeavy duty 135-degree split point reduces wandering and eliminates the need for a pilot hole, helping maintain concentric drilling results.\u003c\/li\u003e\n  \u003cli\u003eNon-slip tri-flat shank provides a tighter grip in machine chucks and is especially helpful when working with hard materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003eVersatile application across metals and alloys, including stainless steel, cast iron, steel plate, copper, aluminum, titanium, and even hardwood.\u003c\/li\u003e\n  \u003cli\u003ePrecise packaging: 5\/8\" diameter, 1\/2 tri-flat shank, 6\" overall length, stored in a plastic case with a size sticker for quick selection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsage notes: Consider cutting or cooling lubricant to ease cutting, improve surface finish, and help preserve tool life. Regular cleaning after use can help maintain tolerances. This bit is designed for industrial use and pairs well with common drill chucks and stations.\u003c\/p\u003e\n\u003cp\u003eWhile benefits are supported by its design and materials, actual results depend on technique, material, and the machine. Individual experiences may vary.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What materials is the Sinyeenglon 5\/8 drill bit suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Stainless steel, cast iron, steel plate, copper, aluminum, titanium, and hardwood.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits does the M35 cobalt coating provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: High hardness and efficient cutting with longer wear life in demanding metalwork.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sinyeenglon","offers":[{"title":"Default Title","offer_id":53093332811887,"sku":"B0FH6YW6QN","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/sinyeenglon-5-8-drill-bit-metal-hardened-steel-m35-cobalt.jpg?v=1778769598","url":"https:\/\/taskholt.com\/products\/sinyeenglon-5-8-drill-bit-for-metal-hardened-steel-m35-cobalt-1-2-shank-industrial-grade","provider":"TaskHolt","version":"1.0","type":"link"}