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Irwin Speedbor

7/16 x 6-Inch Steel Woodboring Max Speed Drill Bit


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* Estimated stock levels as of Thu, Sep 19, 2019. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.

  • Tapered tri-flute design for faster chip ejection and less binding
  • 1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
  • Three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life
  • HSS-Screw tip
  • Hex shank


Cutting spurs have three cutting edges for added durability, full screw tip allows bit to self feed, tri-flute design for faster chip ejection, grooved hex shank prevents slipping, fits all standard 1/4 in quick change chucks.


Diameter 7/16 in
Finish Bright
Flute Length 1-3/4 in
Flute Type Tri-Flute
Material Carbon Steel
Overall Length 6 in
Pack Qty 1
Point Type Self-Feeding Screw
Prop 65 Warning Warning WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Shank Size 1/4 in
Shank Type Hex Shank
Type Wood Boring Drill Bit


Please select a store to view pricing and availability.