Punches_and_Dies

Additional Specifications 79 Standard Ball Seat Location is at 90° Standard Locations Alternate locations of 0°, 180° or 270° can be specified at no additional cost. If angle is not specified, becomes 90°. Custom Locations Custom Locations can be specified as BS and degrees counterclockwise from 0°. Custom Location is any angle other than 0°, 90°, 180° or 270°. Double Ball Seat Locations A second ball seat may be specified. Normally located 180° from primary ball seat, these are used to minimize sharpening of notching punches by rotating the punch 180°. Specify SB and the degree desired. A second ball can also be located 90° from primary ball seat. Not recommended for diameters under 20.