Close MenuIRWIN 63132 Jobber Drill Bit, Spiral Flute, 4-1/2 in L Flute, Cylinder
High-speed steel with M-35, 5% cobalt, for higher heat and abrasion resistance; heavy-duty web construction for strength and durability. Split point begins drilling immediately, minimizing bit walk when used in applications such as metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel (heat-treated).
BOSCH 14-PC Cobalt Metal Drill Bit Set
14 piece, cobalt metal drill bit set, sets consists of: 1/16", 5/64", 3/32", 7/64", (2) 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" & 1/2" bits, manufactured from cobalt for drilling in hard & abrasive materials, no-skate tip for clean & accurate starts, 3 flat shank promotes better grip on bits 3/16"& larger, designed for very high drilling temperatures for superior performance in stainless steel, high visibility marking provide clearly marked diameter.
