{"product_id":"3-13-6-25-6-35mm-hrc89-m35-cobalt-step-drill-bit-tialn-coated-step-drill-1-4-inch-hexagon-shank","title":"3-13\/6-25\/6-35mm HRC89 M35 Cobalt Step Drill Bit TiAlN Coated Step Drill 1\/4 Inch Hexagon Shank","description":"Description: \u003cbr\u003e\nDouble R 1\/4 Inch Hexagon Shank, Protection Cone Design, Super Torque \u003cbr\u003e\n  \u003cbr\u003e\nHigh-speed steel cobalt\/M35: \u003cbr\u003e\nMore than 4241 and 6542 high-speed steel materials. \u003cbr\u003e\n\u003cbr\u003e\nIndustrial-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 the common HSS-Co M35 step drill. \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\nSpecification: \u003cbr\u003e\nMaterial: HSS-Co M35 Cobalt; \u003cbr\u003e\nSurface treatment: TiAlN Coating; \u003cbr\u003e\nShank: 1\/4 Inch Hexagon Shank; \u003cbr\u003e\nHardness: HRC89. \u003cbr\u003e\n  \u003cbr\u003e\nFeatures: \u003cbr\u003e\n1. Spiral groove design(Great chip removal). \u003cbr\u003e\n2. 118 ° X type bit design(No slipping, drill from any angle). \u003cbr\u003e\n3. Double R 1\/4 Inch Hexagon shank design. \u003cbr\u003e\n4. CNC, CBN grinding wheel(Higher accuracy). \u003cbr\u003e\n5. A substantial increase in the wear resistance and oxidation resistance. \u003cbr\u003e\n6. 3-13mm(11 Steps), 6-25mm(10 Steps), 6-35mm(13 Steps) for choosing. \u003cbr\u003e\n  \u003cbr\u003e\nPackage Included: \u003cbr\u003e\n1 x TiAlN M35 Hss Co Step Drill ","brand":"GreenZech","offers":[{"title":"6-35mm","offer_id":42665469706410,"sku":"JG-DB3594424","price":36.1,"currency_code":"GBP","in_stock":true},{"title":"6-25mm","offer_id":42665469739178,"sku":"JG-DB3594425","price":18.1,"currency_code":"GBP","in_stock":true},{"title":"3-13mm","offer_id":42665469771946,"sku":"JG-DB3594427","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/6179\/4375\/products\/7470f95f-1dcd-4c49-bb9f-bda1785bc439.jpg?v=1646803886","url":"https:\/\/greenzech.com\/products\/3-13-6-25-6-35mm-hrc89-m35-cobalt-step-drill-bit-tialn-coated-step-drill-1-4-inch-hexagon-shank","provider":"GreenZech","version":"1.0","type":"link"}