KnKut Carbide Tipped Hard Steel Left Hand Drill Bit, 1/4 in - KK9-1/4LH 7/16" Sockets & Accessories Diameter of the Head: 43

Diameter of the Head: 43

CT Tool modules

providing exceptional durability and strength

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KnKut Carbide Tipped Hard Steel Left Hand Drill Bit, 1/4 in - KK9-1/4LH 7/16" Sockets & Accessories Diameter of the Head: 43KnKut Carbide Tipped Hard Steel Left Hand Drill Bit, 1 4 in KK9 1 4LH KnKut left hand hard steel drill bits 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 Taps by relieving the pressure and assisting with backing out the tap with its counter clockwise spin.