Milwaukee Shockwave™ Step Bit 4-20mm 9 Hole vendor_CK_TOOLS Made from carbon steel with

Made from carbon steel with zinc plating and lacquered finish

Large jaw size (64 mm) for measuring large

External Diameter (d1): 12

Right going screw

Milwaukee Shockwave™ Step Bit 4-20mm 9 Hole vendor_CK_TOOLS Made from carbon steel withOverview Our SHOCKWAVE Impact Duty Step Bits are engineered to deliver a durable and fast impact step bit hole drilling solution. Our step drill bits are made in the USA with global materials and give you best in class performance in impact drivers with the versatility to be used in drills. The hex shank has an optimised SHOCKZONE body providing you with a more durable shank, reducing early shank breaks. A Titanium Aluminum Nitride (TiAlN) coating