{"product_id":"3-flute-step-drill-bit-tialn-coated-hrc89-hss-co-m35-cobalt-step-drill-1-4-inch-hexagon-shank","title":"3 Flute Step Drill Bit TiAlN Coated HRC89 HSS-Co M35 Cobalt Step Drill 1\/4 Inch Hexagon Shank","description":"Specification: \u003cbr\u003e\nMaterial: M35 Cobalt(HSS-Co); \u003cbr\u003e\nCoated: TiAlN Coated; \u003cbr\u003e\nHardness: HRC89; \u003cbr\u003e\nFlute: 3 Flutes; \u003cbr\u003e\nShank: 1\/4 Inch Hexagon Shank. \u003cbr\u003e\n  \u003cbr\u003e\nSize: \u003cbr\u003e\n4-12mm(9 Steps): 4,5,6,7,8,9,10,11,12mm; \u003cbr\u003e\n4-22mm(10 Steps): 4,6,8,10,12,14,16,18,20,22mm; \u003cbr\u003e\n5-23mm(10 Steps): 5,7,9,11,13,15,17,19,21,23mm; \u003cbr\u003e\n4-32mm(15 Steps): 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm. \u003cbr\u003e\n  \u003cbr\u003e\nUses: \u003cbr\u003e\nSuitable for Aluminum, insulation board, PVC board chamfer, steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc. \u003cbr\u003e\n  \u003cbr\u003e\n- 3 Flute, 3 Spiral groove Design: Great chip removal, great heat dissipation, higher drilling speed, small vibration, higher stability, make drilling high accuracy.\u003cbr\u003e\n- 1\/4 Inch Hexagon Shank Design: HSS-Co\/M35, more than 4241and 6542 high-speed steel materials. \u003cbr\u003e\n- Industrial-grade TiAlN Plating: \u003cbr\u003e\n1. Form Al2O3 protection cover, fit for high speed drilling. \u003cbr\u003e\n2. Can work without coolant. \u003cbr\u003e\n3. Hardness up to HRC89. \u003cbr\u003e\n4. Life service 2-3 times longer than common HSS-Co M35 step drill. \u003cbr\u003e\n  \u003cbr\u003e\nPackage Included: \u003cbr\u003e\n1 x 3 Flute Step Drill Bit ","brand":"GreenZech","offers":[{"title":"4-32mm","offer_id":42665456959658,"sku":"JG-DB3614414","price":29.1,"currency_code":"GBP","in_stock":true},{"title":"5-23mm","offer_id":42665456992426,"sku":"JG-DB3614415","price":16.2,"currency_code":"GBP","in_stock":true},{"title":"4-22mm","offer_id":42665457025194,"sku":"JG-DB3614416","price":16.1,"currency_code":"GBP","in_stock":true},{"title":"4-12mm","offer_id":42665457057962,"sku":"JG-DB3614417","price":10.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/6179\/4375\/products\/d2aa16da-1ed6-474e-925a-a8ebc058d00f.jpg?v=1646803674","url":"https:\/\/greenzech.com\/products\/3-flute-step-drill-bit-tialn-coated-hrc89-hss-co-m35-cobalt-step-drill-1-4-inch-hexagon-shank","provider":"GreenZech","version":"1.0","type":"link"}