SHOCKWAVE™ Step Drill Bit 7/8 in to 1 1/8 in

Milwaukee® SHOCKWAVE™ Impact Duty™ Step Bits are engineered to deliver the most durable and fastest holes on the market. Made in the USA with global materials, these step bits have best-in-class performance in impact drivers and the versatility to be used in drills. A 1/4" Hex shank with an optimized Shockzone™ provides the industry's most durable shank, reducing early shank breaks. An aluminum titanium nitride (TiBone) coating helps deliver 5x longer life, while the Rapid Strike Tip™ and dual spiral flute produce 2x faster holes.

• Optimized for impact drivers, compatible with drill drivers
• Aluminum Titanium Nitride (TiBone) coating delivers 5X longer life vs. competitive impact step bits
• Rapid Strike Tip™ for fast and accurate starts
• Dual spiral flute combined with Rapid Strike Tip™ delivers up to 2X faster holes vs. competitive impact step bits
• Optimized Shockzone™ reduces early shank breaks
• Made in the USA with global materials
• 2 steps with laser engraving for clear size identification

• Height 95.8 mm 
• Width 28.7 mm 
• Length 28.7 mm 
• Weight 145.1 g 

• Impact Rated Yes
• Drill Bit Type Step
• Bit Type Step
• Single / Double Ended Single
• Recommended Safety Equipment Safety Glasses
• Point Rapid Strike Tip
• Product Type Impact Step Drill
• Shank Style Hex
• Cutter Geometry Dual Straight Flute
• Size Range 7/8 po to 1-1/8 po
• Drill Bit Size 7/8 po to 1-1/8 po
• Bit Length 3.765
• Overall Bit Length 3.765
• Style 3 Flats Shank
• Flute Length (in) 2.13
• Drilling Depth (in) 2.13
• Number of Flutes 2
• Number of Holes 12
• Step Thickness 1/8 po
• Shank Diameter 1/4 po
• Shank Length (in) 1.26
• Bit Diameter 1 1/8 po
• Shank Diameter Inches 0.25