Countersinks New Products For May 3/4" X 1/4" X 2" OAL Diamond Countersink with 82 Degree Angle $59.00 3/8" X 1/4" X 2" OAL Diamond Countersink with 82 Degree Angle $30.00 1/2" X 1/4" X 2" OAL Diamond Countersink with 82 Degree Angle $44.00