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Irwin 631 Jobber Length Drill, 5/16 in Dia x 2-13/16 in OAL, Cobalt High Speed Steel

SKU: 554815

Save 16% · Retail: $4.45

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Ships in 4-6 days
$3.75/EA 54
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Available to Ship in 4-5 weeks

About the Irwin 63120

IRWIN 63120

Product Details

Mpn # 63120
Shipping Dimensions 5.0" x 3.5" x 0.3"
Weight 0.09 lbs.

Product Features

  • Series:631
  • Diameter:5/16 in
  • Flute Type:Spiral
  • Point Angle:135 deg
  • Point Type:Split
  • Cutting Direction:Clockwise
  • Material:Cobalt High Speed Steel
  • Finish:Gold Oxide
  • Applicable Materials:Hard Steel, Stainless Steel, Titanium
  • Special :With Solid Structure
  • Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals
  • Heavy duty spiral flute design produces faster chip ejection
  • 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


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