5Pcs 9/9.5/10mm Cobalt High Speed Steel Drill Bit For Stainless Steel Woodworking M35 Twist Drill Bit Drill Hole Cutter

Features High hardness M35 is made of cobalt containing high speed steel with high hardness and strong wear resistance specially made of stainless steel Precision technology Precision grinding technology smooth surface high grinding precision Sharp and durable 135 degree standard double back edge angle fully ground drill sharp and durable cutting edge stable feed Strong stability Universal round drill shank widely used clamping and tightening not easy to fall Specification Produce nameCobalt twist drillMaterialM35 high speed steel containing cobaltUses forWidely used for perforating metal materials such as stainless steel die steel aluminum alloy cast iron copper galvanized pipe etc SizeSpecificationDrill diameterWorking lengthShank diameterTotal length9 0mm9 0mm81mm9 0mm125mm9 5mm9 5mm81mm9 5mm125mm10 0mm10 0mm87mm10 0mm133mmProduce Included 5 Pcs Similar sized xCobalt twist drill The specifications you choose More Detail

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Banggood