Manufacturer: Cleveland Punch and Die
Figure: F-20
Square whole sizes: from 7/32" - 7/8"
To select the correct die for the punch, consider the following:
Material Thickness - Die Clearance
1/4" to 15/32" - 1/32" Clearance
1/2" to 23/32 - 1/16" Clearance
3/4" to 1" - 3/32" Clearance
1" and Over - 1/8" Clearance