Draper 12431 Countersink Bit Set (5 Piece)Manufacturers P/N - 12431

This set pilot drills and countersinks at the same time, producing a faster finish.

Heavy-duty design manufactured from carbon steel C45.

Replaceable drill bits manufactured from high-speed steel.

Drill bits can be adjusted and fastened with a hex set screw.

For countersinking screw holes for flush fitting of screwheads in hardwood, soft wood and plastics.

Fitted with quick change 1/4" hex.

shank.

Compatible with drills with a standard 10/13mm chuck.