Cobalt Drill Bits Set M42 Spade Terminals Clamp and fixture at any Clamp and fixture at any point on the reversible flat nitrided (heat treated) 1 200 x 750mm tabletop for accuracy in all of your setups High Speed Steel Annular Cutter AT1650 HOLEMAKER UNI SHANK TINITE (TiN) CUTTER 16MM X 50MM 50mm DEPTH M2AL HIGH SPEED STEEL MATERIAL M2AL High Speed Steel is a high alloy material with a hardness of up to 67 heat & wear resistance and bit life at higher cutting temperatures and are the preferred drill for harder materials especially stainless steel TUSK Cobalt HSS Metal Drill Bits are fully ground bits constructed of M42 High Speed Steel for the maximum combination of strength