Win a Malco Spot Weld Cutter Kit! 0 By Kath on October 8, 2017 Miscellaneous Remove spot welds with ease using this Malco spot weld cutter. This kit includes a 3/8-in. Cutter Assembly, five Replacement Cutter Bits, a Replacement Center Drill and a 5/16-inch Cobalt Drill Bit.