F20 Square Punch with 1/4" x 1/8" Single Keyway

Punches are supplied with a 1/4" wide x 1/8" deep single keyway. Use 1/4" x 1/4" Keystock to align punches in the machine. All sizes listed ship within 24 hours. Contact us for custom sizes not listed. Commonly paired with F55 and F59 Square Dies. *For carriage bolt and square tube applications we recommend using a square punch 1/32" larger than the size of carriage bolt or square tube. Dimensions: Punch & Die Clearance: Use chart above to determine recommended die clearance. The punch and die should NOT be the same size. Note: Material thickness should not exceed punch size. Cross Reference: F20 Punch AP-121, CST-221, GFM-40, PIR-EA, SCOT-40 Proudly Made in the USA 7/32" 1/4" 9/32" 5/16" 11/32" 3/8" 13/32" 7/16" 15/32" 1/2" 17/32" 9/16" 19/32" 5/8" 21/32" 11/16" 23/32" 3/4" 25/32" 13/16" 7/8"