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https://www.mccoys.com/shop/p/4306718-052303-32/irwin-63911-jobber-drill-bit-1164-in-dia-3-14-in-oal-spiral-flute-2-flute-1164-in-dia-shank-straight-shank
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Irwin

63911 Jobber Drill Bit, 11/64 in Dia, 3-1/4 in OAL, Spiral Flute, 2-Flute, 11/64 in Dia Shank, Straight Shank

Sku: 4306718-052303-32
$6.49
66 Available at SHIP TO STORE
Estimated Arrival On: 12/31/2025

Titanium nitride coating reduces friction and last longer, cutting edge stays sharper longer. Used in repetitive metal drilling with portable drills or stationary drill press. Jobber length.

  • Titanium Nitride (TiN) coating resists heat and friction, providing up to 6X longer life than standard high-speed steel bits
  • Heavy-duty web design provides extreme rigidity when drilling in metal applications
  • Shorter cutting lips reduce torque for drilling in high tensile strength materials
  • 135 deg split point reduces feed pressure for easier penetration without work hardening and tip point ensures a true start and eliminates bit walking

Diameter
11/64
Flute Type
Spiral
Number of Flutes
2
Flute Length
2-1/8
Shank Type
Straight
Shank Diameter
11/64
Shank Length
1-1/8
Point Type
Split
Point Angle
135
Material
HSS
Finish
Titanium Nitride-Coated
Overall Length
3-1/4
Cutting Direction
Clockwise
Applicable Materials
Cast Iron, High Alloy Steel, Mild Steel, Sheet Metal, Stainless Steel, Wood

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