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Milwaukee 2-1/8 in. X 4-1/2 in. L Heat-Treated Steel Self-Feed Drill Bit Hex Shank

Milwaukee 2-1/8 in x 4-1/2 in Heat-Treated Steel Self-Feed Drill Bit with Hex Shank is engineered for dependable, high-volume hole making in wood. Built from heat-treated steel and…

Milwaukee MPN 48-25-2122
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Typical Store Price i
Typical store price: low $44.99, average $52.99
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About Product Overview

Milwaukee 2-1/8 in x 4-1/2 in Heat-Treated Steel Self-Feed Drill Bit with Hex Shank is engineered for dependable, high-volume hole making in wood. Built from heat-treated steel and finished with a protective coating, this bit is designed to withstand the demands of professional carpentry and serious DIY projects, delivering consistent, clean holes from first bite to finish.

  • Self-feed action pulls the bit into the wood for fast, confident starting and steady cutting without wandering.
  • Hex shank, 7/16" ensures a secure grip in standard drill chucks and reduces slippage, even under torque.
  • Heat-treated steel plus a protective coating provides durability and wear resistance for repeated drilling through hardwoods and softwoods.
  • Size and geometry—2-1/8" drill diameter, 4-1/2" overall length, and 1" flute length—to create larger holes efficiently while maintaining control in dense lumber.

This bit shines in projects where large-diameter holes are needed quickly and accurately. Ideal for electricians routing conduit, furniture makers installing pass-through hardware, cabinetry installers running wiring, or DIYers assembling sturdy frames and supports. The combination of a robust heat-treated body, a protective coating, and a secure hex shank makes it a reliable choice for repeated use in a shop or on the job site.

  • : large-diameter holes for wiring and cables, pass-throughs for hardware, furniture and cabinet assembly, deck or structural framing where clean, precise holes are essential.
  • : professional carpenters, remodelers, cabinetry specialists, and serious DIY enthusiasts who need durable, long-lasting performance from a single-hole solution.
  • : quicker hole initiation and fewer guide drillings thanks to self-feed design; durable heat-treated steel stands up to demanding tasks that linger after many uses, unlike lighter-duty bits.

Practical tips for optimal results: clamp your workpiece securely, mark a center point to guide the bite, and start drilling at a moderate speed to prevent margin tearing. Let the bit do the work—apply steady, even pressure and avoid pushing aggressively to maximize hole quality and bit life. For hardwoods, consider a light pre-punch and occasional gentle retracts to clear chips and maintain a clean cut.

The Details Specifications

Brand Milwaukee
SKU 26756
UPC 045242119370
Unit 0
Case Pack Quantity 24 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 2 × 4 × 8
Weight 1 lbs
Cubic Feet 0.0325 ft³
Country of Origin CHINA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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