KEO 53518 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, 82 Degree Point Angle, 5/16″ – 5/8″ Head Diameter. Cobalt steel tools are 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. Straight shank, CNC precision cam ground, M35 cobalt, chatter-free cutting action. Made in Great Britain. If the item cannot use or you received your item not as expected. Please let us know. Of course, there is no cost for you for return the item back. If it possible, could you please help us write or select reason for return is “change my mind ” or “order by mistake” or “Doesn’t fit or ” Just didn’t like it. Do not worry, We do not charge anything. Please don’t write or select another reason. If you consider to help us, it would mean so much for us. We will always guarantee a return with full responsibility. The location of the warehouse responsibility for the return will be determined by the fulfillment service department. Of course, there is no cost for you for return item back. If it possible, could you please help us write or select reason for return is “change my mind “or “order by mistake” or Doesn’t fit or ” Just didn’t like it “. Do not worry, we do not charge anything. If you consider to help us, it would mean so much for me. This item is in the category “Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Drill Bits”. The seller is “2bfairshop” and is located in this country: US. This item can be shipped worldwide.

• Size: 5/16\
• Brand: KEO Cutters