Metal Drill Bit Kit 25 - Cobalt M42

TUSK Cobalt HSS Metal Drill Bits - Cobalt M42

• Fully ground bits constructed of M42 High Speed Steel
• For the maximum combination of strength, heat & wear resistance and bit life at higher cutting temperatures
• The preferred drill for harder materials especially stainless steel.
• 8% cobalt HSS provides 5x more life than regular TIN coated HSS drills.
• Increased 135 degree point enables a faster drilling rate, lower feed pressure and features a 'split point' or 'self cantering' tip.