Step drill HEX Shockwav 4-20mm - 2mm steps, Milwaukee

SHOCKWAVE Impact Duty step drills are designed to deliver best-in-class performance in impact drivers and also the versatility to be used in drill drivers. The 1/4" Hex shank with an optimised SHOCKZONE ensures maximum durability by preventing early shank breaks. New Titanium Aluminium Nitride coating helps to reduce heat generation for 5x more life. RAPID STRIKE TIP: Accurate start without walking and fast drilling without the need to pre-drill the material. Dual spiral flute design: Optimised for impact driver speed and for smooth, jam-free drilling. Laser engraved markings: Do not wear away with time.