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STEP BIT #12 7/8" - 1-3/8" - Milwaukee Electric Tools

Part #: ML48-89-9212

The Milwaukee #12 Step Bit (ML48-89-9212) is engineered for professional technicians and mechanics requiring precise, clean holes in metal and plastic materials. Designed for efficiency with cordless drills, its innovative dual-flute geometry delivers rapid hole times and extended bit life, making it a reliable tool for demanding automotive and industrial applications.

Key Features

  • Dual-Flute Design: Provides jam-free performance, delivering up to 2X faster hole times and enhanced control during drilling.
  • Rapid Strike Tip: Ensures quick, accurate starts with minimal heat generation, contributing to longer bit tip life.
  • Optimized for Cordless Drills: Achieves up to 50% more holes per battery charge, maximizing productivity on the job site.
  • 3-Flat Secure-Grip Shank: Prevents bit slippage in the drill chuck, ensuring a solid connection and consistent performance.
  • Durable Construction: Features a black oxide coating for increased durability, improved hole quality, and extended bit life.
  • Laser-Engraved Reference Marks: Allows for easy and accurate hole size identification, ensuring precise stopping at desired dimensions.

Applications

This versatile step bit is ideal for a variety of tasks across automotive and industrial settings. It is well-suited for drilling precise, incrementally sized holes in steel, aluminum, and various plastic components, perfect for installing wiring, conduits, tubing, or mounting hardware. Common uses include fabrication work, electrical installations, and modification of panels or enclosures where clean and accurate hole enlargement is necessary.

Specifications

  • Minimum Drill Size: 7/8 Inch
  • Maximum Drill Size: 1-3/8 Inch
  • Step Increment: 1/8 Inch
  • Number of Sizes: 5
  • Shank Type: 3-Flat
  • Shank Size: 3/8 Inch
  • Finish: Black Oxide Coated
  • Style: Dual Straight Flute
  • Application: Metal, Plastic
  • Made in USA
Only 1 left in stock - order soon

$78.82

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This product was added to our catalog on Sunday 07 June, 2026.

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