Split Point Cobalt Drill Bit
DR-1/16CB
DR-5/64CB
DR-3/32CB
DR-7/64CB
DR-1/8CB
DR-9/64CB
DR-5/32CB
DR-11/64CB
DR-3/16CB
DR-13/64CB
DR-7/32CB
DR-15/64CB
DR-1/4CB
DR-17/64CB
DR-9/32CB
DR-19/64CB
DR-5/16CB
DR-21/64CB
DR-11/32CB
DR-23/64CB
DR-3/8CB
DR-25/64CB
DR-13/32CB
DR-27/64CB
DR-7/16CB
DR-29/64CB
DR-15/32CB
DR-31/64CB
DR-1/2CB
DR-29CB SET
29PC SET
COBALT DRILLS - For the toughest aerospace or Transportation drilling jobs in hard metals such as steel, chrome, titanium, Inconel and stainless steel, a cobalt jobber drill is the best tool a mechanic can use. Our line of cobalt drill bits are made from heat-resistant, cobalt high-speed steel, with heavy-duty flute construction and a 135-degree split point. Our cobalt drill bits are made to standard NAS 907 Type J specifications. Cobalt heavy duty jobber length drills also available in complete sets, fractional size cobalt drill set conveniently stored in a sturdy metal carrying case. In-stock