Plumbing Supplies

Presto 78091 High Speed Steel 90 Degree Straight Shank Countersink Set Pack of 1 Bright finish surface for increased chip flow. Universal tool for deburring and countersinking Used to produce countersinks for screws and a chamfer for tapping. Presto 78091 High Speed Steel 90 Degree Straight Shank Countersink Set Pack of 1