STROTON 11mm 2pcs M42 8 Cobalt Drill Bits
M42 Cobalt drill bit,8 % Cobalt Drill bits,a Blunt Drill bit,hard metal,hard plastic,68 70 HRC (Rockwell Hardness Scale)
Reasons to buy
- Features a 135-degree split point that helps in easy drilling into hard materials
- Made of premium M42 8 cobalt steel that offers maximum heat, wear and chip resistance
- The sharp bit edge conveniently cuts metal materials into long strips of iron chips
Drawback
- The drill bits may not be suitable for stainless steel
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