The HSS-Co 5% Countersink 6 Piece Set features high performance, multi flute countersinks in various sizes. | | Features and Benefits | • Manufactured from high speed steel and cobalt for improved strength | • Straight shank design with bright finish for improved performance on ductile metals | • Supplied in a robust carry case for easy and secure portability | • straight shank design | • 90? ground flute angle provides optimal cutting performance with an inclusive angle of 90? | | Typical Applications | Deburring | Chamfering | | Notes | • Manufactured to BS328:Part 5:1983 | • Contents: 1x 8, 10, 12.5, 16, 20 and 25mm |