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https://www.mccoys.com/shop/p/6768675-052303-32/irwin-73628zr-jobber-drill-bit-716-in-dia-5-12-in-oal-spiral-flute-716-in-dia-shank-reduced-shank
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Irwin

73628ZR Jobber Drill Bit, 7/16 in Dia, 5-1/2 in OAL, Spiral Flute, 7/16 in Dia Shank, Reduced Shank

Sku: 6768675-052303-32
$18.99
19 Available at SHIP TO STORE
Estimated Arrival On: 02/04/2026

HSS features a black body and gold flute Turbomax tip for burr-free holes; 3/8 in reduced shank fits all 3/8 in drills. Exact centering; no walking on straight and curved surfaces. A three-flatted shank on 3/16 in and above for better chuck grip. Jobber length.

  • Revolutionary tip design stays sharper longer and drills up to 10X faster than other leading drill bits
  • Three-speed, all metal high-performance transmission optimizes tool to task for fast application speeds and improved runtime
  • Ideal for use in keyless chucks
  • Bit is constructed of M2 HSS for the excellent combination of strength, heat- and wear-resistance
  • 3/8 in reduced shank fits all 3/8 in drills

Diameter
7/16
Flute Type
Spiral
Flute Length
4-1/16
Shank Type
Reduced
Shank Diameter
7/16
Shank Length
1-4/9
Point Type
Self-Centering Jet
Point Angle
135
Grade
M2
Material
HSS
Finish
Black/Gold Oxide
Overall Length
5-1/2
Applicable Materials
Ferrous Metal, Low Carbon, Stainless Steel

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