3 - 10mm HSS Co Cobalt Twist Drill Bits Extra Long Drills for Metal Steel Wood Feature: High strength and hardness. Straight shank design is suitable for many electric drills and drills. Easy to use. Durable in use. Suitable for drilling stainless steel, wood, aluminum alloy, iron, copper, plasitc, galvanized pipe and other metal materials Specification: 100% new and high quality extra long twist drill bit Material: HSS-Co / High speed steel with 5% cobalt Size: 3mm - 10mm. Choose you need from drop down above menu.
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