• Home
  • Irwin 1/4" Cobalt High Speed Steel 135 deg Jobber Drill Bit
Image for Irwin 1/4
+ / - Hover over image to Zoom
Other Views

Irwin 1/4" Cobalt High Speed Steel 135 deg Jobber Drill Bit

Brand: Irwin Mfg#: 63116
Product#: 17363116
Based on Product Sourcing
Free UPS Ground Shipping on this Item!

Please Login to receive Special Pricing
Not Registered? Create an Account


Irwin Heavy Duty Jobber Length Drill Bit, Series 633/631, 0.25 in Diameter, 1.375 in Flute Length, 2.5 in Overall Length, Jobber Length Group, Clockwise Cutting Direction, 135 deg Point, Split Point, Spiral Flute


  • Shorter cutting lips reduce torque for drilling in high tensile strength materials
  • Heavy duty spiral flute design produces faster chip ejection
  • Split point reduces feed pressure for easier penetration without work hardening
  • Constructed of M-35 5% cobalt high speed steel for super abrasive resistance in tough metals


  • Brand: Irwin
  • Overall Length: 2.5 in
  • Point Type: Split
  • Shank Type: Straight
  • Flute Length: 1.375 in
  • Cutting Edge Material: M35 Cobalt High Speed Steel
  • Diameter: .25 in
  • Series: 633/631
  • Cutting Direction: Clockwise
  • Flute Type: Spiral
  • Finish: Gold Oxide
  • Applicable Materials: Cast Iron, High Alloy Steel, Stainless Steel, Titanium, Hard Steel
  • Point Angle: 135 deg
  • Structure: Solid
  • Length Group: Jobber