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Irwin Speedbor

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

Not Available

0 in stock at Sutherlands.com.

* Estimated stock levels as of Tue, Jun 18, 2019. All items subject to prior sale. Prices may vary between stores and online.

  • 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.


Diameter7/16 in
Flute Length1-3/4 in
Flute TypeTri-Flute
MaterialCarbon Steel
Overall Length6 in
Pack Qty1
Point TypeSelf-Feeding Screw
Prop 65 WarningWARNING: 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 Size1/4 in
Shank TypeHex Shank
TypeWood Boring Drill Bit