Ultra Bor Mechanics Length Drill Bits

3/8

Byler Rivet Supply supplies 3/8" Reduced Shank Ultra Bor Mechanics Length Drill Bits in 1/2", 31/64", 15/32", 29/64", 7/16", 27/64", 13/32".

Fractional Screw Machine Drill Bits

Screw Machine Length, 260-UB, Ultra Bor Premium Drill bits. Gold and Black surface treated! Fractional Sizes.

Screw Machine Length, 260-UB, Ultra Bor Premium Drill bits. Gold and Black surface treated! Wire Gauges.