Keo 53508 4-Piece 5/16"-5/8" 60° M35 Cobalt Zero Flute Countersink & Deburring Tool Set for Metalworking, Woodworking, and DIY Projects - High Speed Steel Countersink Bits for Smooth Chamfering and Deburring

Product Description

Applications All purpose versatility that provides flawless countersinking and deburring on all materials. Excels on aluminum, plastics and other non-metallics that are hand or machine fed. Features Micro-smooth CNC precision ground for clean smooth cutting without smearing. M35 Cobalt comprised of 6% Tungsten, 5% Moly and 5% Cobalt for long tool life in all materials. Through-hole design that is easy to resharpen using a small grinding wheel in cross-hole. Free cutting action with minimal power needed.