{"product_id":"m35-cobalt-wear-resistant-altin-coated-step-drill","title":"M35 Cobalt Wear-Resistant AlTiN Coated Step Drill Spiral Flute Unibit, for Stainless Steel, Aluminum, Plastic","description":"\u003ch4\u003e\u003cspan class=\"a-list-item\"\u003eLong-Lasting Durability\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eEZARC step drill bit is made from heat-treated M35 cobalt high speed steel for superior strength and toughness over standard HSS, making it ideal for cutting stainless steel and other hard metals. The 89HRC AlTiN coating provides excellent heat, wear, and corrosion resistance for extended tool life.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"a-list-item\"\u003eTriple-Flute C-Profile Design\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eTriple-flute structure improves drilling stability and reduces walking. The C-profile cutting edge enables faster, smoother cutting and cleaner holes in metal, stainless steel, aluminum, and plastic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"a-list-item\"\u003e19-Step Sizes\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eSpiral flute design enables smooth, efficient drilling across multiple material thicknesses, eliminating the need to change bits. Size range: 1\/4\" to 1-3\/8\" (19 steps total).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"a-list-item\"\u003e12-Step Sizes\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eSpiral flute design enables smooth, efficient drilling across multiple material thicknesses, eliminating the need to change bits. Includes 12 sizes: 3\/16\", 1\/4\", 5\/16\", 3\/8\", 7\/16\", 1\/2\", 9\/16\", 5\/8\", 11\/16\", 3\/4\", 13\/16\", 7\/8\".\u003c\/span\u003e\u003cspan class=\"a-list-item\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"a-list-item\"\u003eReinforced Shank\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eThe 5\/16'' thickened shank increases strength, fits perfectly into 1\/4\" quick-change chucks, is designed for quick-change drills and impact drivers, and can extend drilling depth to meet deep-hole requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"a-list-item\"\u003eImportant Notes\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eSuitable for metal sheets up to 1\/8\" (3mm) thick and stainless steel up to 1mm. For better performance and longer tool life, use cutting oil or coolant during continuous drilling. Due to the larger cutting angles, initial drilling speed may be slower, which is normal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/step_drill_bit_for_metal.jpg?v=1779442011\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/5_16_34_Thickened_and_1_4_34_Hex_Shank.jpg?v=1779442038\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/5_16_34_Thickened_and_1_4_34_Hex_Shank_1.jpg?v=1779442025\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/AlTiN_Coated.jpg?v=1779442239\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/step_drill_bit_for_plastic.jpg?v=1779442408\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/titanium_step_drill_bit.jpg?v=1779442070\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/impact_step_bit.jpg?v=1779442045\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/unibit_step_drill_bit.jpg?v=1779442074\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/Long-Lasting_Durability.jpg?v=1779442051\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/step_drill_bit_set.jpg?v=1779442062\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/hole_drill_bit.jpg?v=1779442042\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/STAINLESS_STEEL.jpg?v=1779442055\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/step_drill_bit_sets.jpg?v=1779442066\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"EZARC Tools","offers":[{"title":"1\/4''-1-3\/8'' inch","offer_id":47837706027159,"sku":"80376352","price":54.97,"currency_code":"USD","in_stock":true},{"title":"3\/16''-7\/8'' inch","offer_id":47837706059927,"sku":"80375222","price":32.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/4975\/0423\/files\/14_eb3916f7-2716-4fdb-90b4-50c898b36303.png?v=1779791189","url":"https:\/\/www.ezarctools.com\/products\/m35-cobalt-wear-resistant-altin-coated-step-drill","provider":"EZARC Tools","version":"1.0","type":"link"}