Milwaukee 5/16 in. x 6 in. 3-Flat Secure-Grip Carbide Hammer Drill Bit

Item # 457517 | Milwaukee Part # 48-20-8816 | UPC Code 045242098514 | UNSPSC Code 27112800 | Catalog Page #443
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Product Overview

Milwaukee's 3-Flat Secure-Grip Hammer-Drill Bits provide superiority in regards to quality, performance and longevity of life. The 3-Flat Secure-Grip shank is designed to fit in all 1/2 in. 3 jaw hammer-drill chucks and reduces the possibility of the bit spinning in the chuck during heavy torsional loads. The bits drill faster and last longer than other hammer-drill bits on the market due to their reinforced flute geometry and carbide tip design. Milwaukee's offering has a range of diameters from 1/8 in. to 1 in. with lengths up to 18 in. 2 per package.

  • For use with chucks 3/8 in. or larger
  • Carbide tip for durability
  • Reinforced flute geometry for fast drilling
  • 3-flat secure grip helps prevent bit from slipping in the chuck
  • Includes: one 5/16 in. x 6 in. 3-flat secure-grip carbide hammer drill bit


Assembled Depth (in.)
Assembled Height (in.)
Assembled Width (in.)
Bit Diameter
5/16 in
Bit Length (in.)
Bit Material
Drill Bit Type
Percussion Bit
Drill Bit Type(s) Included
Percussion Bit
Material Application
Power Tool Product Type
Drill Bits & Router Bits
Shank Diameter
1/4 In., 3/8 in
Shank Style
Tools Product Type
Power Tool

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