Viking® Weldout™ Type 493-DN 10 mm Dia X 2 1/4" Tin Coated Heavy Duty Spotweld Drill Bit is made of M-42 cobalt high-speed steel offering long durability. Drill bit is designed for use in high strength high alloy steel and require a slower speed.
Features
This rugged high performance drill is designed to effectively cut auto body panel spot welds
High red hot hardness of cobalt steel permits speeds 30% greater than HSS drills
