Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 3mm with Straight Shank, Drilling for Stainless Steel, Copper, Aluminum Alloy and Softer Materials
- Specification - 10Pcs 3mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, Blade length: 33mm/1.3inch, 135 degree point, straight shank..
- Material - HSS Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness..
- Durable - HSS Cobalt Drill Bit provide strong durable performance compared to typical hss drill bits..
- Easy to Carry - The twist drill bits are housed in plastic case for easy storage, easy to carry out homework..
- Multi-purpose Use - HSS Drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials..