Milwaukee Shockwave Impact Duty Step Bit, #9 7/8"-1-1/8"

Milwaukee Impact Duty Step Bit, #9 7/8"-1-1/8"

The 48-89-9249 Milwaukee Impact Duty Step Bit (#9) is an impact-rated step drill bit designed for fast, controlled hole enlargement from 7/8" to 1-1/8" with clear size stops. Built for impact drivers (and compatible with drill/drivers), it features a TiAlN coating for extended life, a Rapid Strike Tip™ for quick, accurate starts, and an optimized SHOCKZONE™ to help reduce early shank breaks, with laser-engraved step markings for easy identification.

Country of Origin
Made in the U.S.A.

Key Features / Specifications

• Model / Part Number: 48-89-9249
• Brand / Line: Milwaukee Impact Duty
• Product Type: Step bit
• Size Range: 7/8" – 1-1/8"
• Step Count: 13 steps (laser engraved for clear stop/size ID)
• Tool Compatibility: Optimized for impact drivers, drill/driver compatible
• Coating: Titanium Aluminum Nitride (TiAlN) (claims 5x longer life than competitive impact step bits)
• Tip Design: Rapid Strike Tip™ for fast, accurate starts
• Flute Design: Dual spiral flute for faster drilling (claims up to 2x faster holes vs competitive impact step bits)
• Shank Durability: Optimized SHOCKZONE™ to reduce early shank breaks
• Manufacturing: Made in the USA with global materials

Ideal For

• Fast hole enlargement where clean size steps matter (7/8"–1-1/8")
• Users running step bits on impact drivers for speed and control
• High-use drilling where TiAlN coating helps extend bit life
• Work needing easy size recognition via laser-engraved step markings