Thickness of material to be bound (including covers) | Use this diameter of coil | Number of sheets 80 lbs. offset or 20 lb. bond |
1/8" 5/32" 3/16" 7/32" 9/32" 5/16" 11/32" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 13/16" 15/16" 1" 1-1/16" | 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 16mm 18mm 20mm | 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 16mm 18mm 20mm 22mm 25mm 28mm 30mm 32mm | 30 40 50 60 70 80 90 100 110 125 140 160 180 210 230 250 265 |