KnKut Carbide Tipped Hard Steel Drill Bit, 5/16 in x 4 in - KK9-5/16-4 Hook Wrenches Length (L): 72mm

Length (L): 72mm

Driven tip phosphate

d1 Size: 24

Double laser marking in mm/inches

Ergonomic Soft Surface Grip

KnKut Carbide Tipped Hard Steel Drill Bit, 5/16 in x 4 in - KK9-5/16-4 Hook Wrenches Length (L): 72mmKnKut Carbide Tipped Hard Steel Drill Bit, 5 16 in x 4 in KK9 5 16 4 KnKut Hard Steel Drills are Carbide Tipped and made for use in drilling hardened steel in the range of 48 to 65 Rockwell "C". Holes may be drilled without annealing or appreciably changing the structure of the material. This drill bit can be used for drilling Broken Studs, Spring Bolts, Die Sections, Broken Easy Outs, Extra Tough Metals, Exotic Metals, Brake Drums, Broken Taps, etc.