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Product Description M35 HSS-Co 5% Cobalt Material: Extra hardness & heat resistance, Rockwell hardness up to HRC67. Faster cutting speed, service life 12x longer than standard HSS drill bits. 135° Split Self-Centering Point: No walking, less pressure required for fast pen..

Description: High Speed Steel Drill Bit Set For Wood, Plastic And Aluminum.Ideal for DIY, Home And General Building/Engineering Using.Titanium Nitride Coating For Cooler Running.High Speed Steel For Long Life.Specifications:Material High Speed SteelFunctionHigh Speed Steel  Drill Bit..

2–6mm HSS CO Cobalt Twist Drill Bits 5 Pieces Assorted Set Important Purchase Reminder This package only contains twist drill bits; rotary power tool is sold separately and not included.Product Overview This 5-piece assorted drill set adopts premium HSS cobalt alloy steel, covering 2mm,3mm,4m..

Product Description M35 HSS-Co with 5% Cobalt: Higher hardness & heat resistance, Rockwell hardness up to HRC67. Faster cutting speed, service life 12 times longer than standard HSS drill bits. 135° Split Self-Centering Point：No bit wandering, less pressure required for f..