Shopping Cart

Your cart is empty.

Your cart is empty.

IRWIN Drill Bit Set, Countersink, Black Oxide, 3-Piece (1877720)

Free shipping on orders over $29.99

$32.40

$ 16 .55 $16.55

In Stock

About this item

  • Precision-ground 82 tip for countersinking into most machinable metals, wood or plastic
  • Made from industrial grade high speed steel for increased durability
  • Includes a black oxide finish for added corrosion resistance
  • Five flute design reduces vibration for smoother drilling and extended life
  • 1/4" round shank fits all handheld and stationary drills


IRWIN High Speed Steel Countersinks feature a precision-ground 82-degree tip that makes them ideal for countersinking into most machinable metals. They're made from industrial grade high speed steel for increased durability and they include a black oxide finish for added corrosion resistance. The five flute design reduces vibration for smoother drilling and extended life. Plus, the 1/4" round shank fits all handheld and stationary drills.


Camper John
Reviewed in the United States on September 13, 2022
These are the first counter sinks I've used that work great 'out of the box'. Very sharp and they work great.
luigi torchia
Reviewed in Canada on February 5, 2021
A must have in the shop. Great quality.
Abdullah
Reviewed in the United States on February 4, 2019
Did the job
Patrick L Metzler Jr.
Reviewed in the United States on January 16, 2019
These are good quality for light to medium duty use.
Earl Resinger
Reviewed in the United States on October 26, 2016
so far they have worked on all the metal I've had to counter sink
Anonymous Abraham
Reviewed in the United States on October 30, 2015
Great product.