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Irwin

73320 Jobber Drill Bit, 5/16 in Dia, 4-1/2 in OAL, Spiral Flute, 5/16 in Dia Shank, 3-Flat Shank

Sku: 6768907-052303-32
$10.79
36 Available at SHIP TO STORE
Estimated Arrival On: 05/28/2026

HSS features a black body and gold flute with Turbomax tip for burr-free holes. Exact centering; no walking on straight and curved surfaces. Three flatted shank on 3/16 in and above for better chuck grip. Jobbers length.

  • High-performance metal drilling for portable drill users, works well on curved surfaces
  • Revolutionary tip design stays sharper longer and drills up to 10X faster than other leading drill bits
  • HSS features a black body and gold flute
  • Self-regulating technology for lasting performance - monitors voltage and temperature to protect against overloading and extend battery life
  • Three flatted shank on 3/16 in and above for better chuck grip

Diameter
5/16
Flute Type
Spiral
Flute Length
3-3/16
Shank Type
3-Flat
Shank Diameter
5/16
Shank Length
1-1/3
Point Type
Self-Centering Turbomax
Point Angle
135
Material
HSS
Finish
Black/Gold Oxide
Overall Length
4-1/2
Cutting Direction
Right Hand
Applicable Materials
Ferrous Metal, Low Carbon, Non-Ferrous Metal, Stainless Steel

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