Shopping Cart

Your cart is empty.

Your cart is empty.

KEO 53538 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, 100 Degree Point Angle, 5/16' - 5/8' Head Diameter

4.9 (1) Write Review
Free shipping on orders over $29.99

$26.70

$ 13 .99 $13.99

In Stock

About this item

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • 100 degree angle
  • Straight shank, CNC precision cam ground, M35 cobalt steel material, chatter-free cutting action
  • Made in Great Britain


Flute countersink and deburring tools. Straight shank, CNC precision cam ground, M35 cobalt steel material, chatter-free cutting action. Made in Great Britain. Set includes 100 degree 5/16", 3/8", 1/2", 5/8" head diameter countersink. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. 100 degree angle.


Arthur Bergeron
Reviewed in the United States on August 17, 2019
works