Precision Hex Drill Drill Set,Cobalt drill bit set.
Material:HSS Steel ,9341,6542.Cobalt HSS steel:M42,M35 etc.
Special for drill stainless,metal, etc.
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Precision Hex Drill Drill Set,Cobalt drill bit set.
Material:HSS Steel ,9341,6542.Cobalt HSS steel:M42,M35 etc.
Special for drill stainless,metal, etc.