MILWAUKEE® SHOCKWAVE™ Impact Duty™ Step Bit (3/16″-7/8″) #4

SKU: 48-89-9244


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Our SHOCKWAVE™ Impact Duty™ Step Bits are engineered to deliver the most durable and fastest 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 ¼” hex shank has an optimized SHOCKZONE™ body providing you with the industry’s most durable shank, reducing early shank breaks. A Titanium Aluminum Nitride (TiAlN) coating helps deliver you 5x longer life, while the step drill bit’s Rapid Strike™ tip and dual spiral flute produce 2x faster holes.

• Titanium Aluminum Nitride (TiAlN) coating RAPID STRIKE™ Tip provides fast and accurate starts
• Most durable shank with an optimized SHOCK ZONE™
• Laser engraving for easy size identification
• 12 Hole sizes

(1) #4 Step Bit 3/16″-7/8″

Additional information

Weight 0.3 lbs
Dimensions 7 × 3 × 1.25 in

Step Drill Bit


3/16" – 7/8"

Included Part Numbers



Show With

48-89-9241, 48-89-9242, 48-89-9243



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