Hole Punch Tonnage Charts 

We have some pretty good metal punching charts for your reference.  These charts will help you determine the tonnage requirments for punch round and shaped holes in metal. 

 Punch & Die set-up tips for longer tool life.  Check out the punch tonnage chart for round hole punching.  The chart is based on mild steel for punching metal to 3" thick.

There are charts for punch and die clearance for ironworkers and punch presses.

1:  HOLE PUNCH TONNAGE CHART

2:  PUNCH AND DIE CLEARANCE CHART FOR IRONWORKERS

3:  DIAGONAL CHART FOR DETERMINING PUNCH AREA

4: PUNCH AND DIE SET UP TIPS

5: SEQUENCE PUNCHING CYCLE FOR SPECIAL SHAPES

6: METRIC HOLE PUNCH TONNAGE CHART

 7:  METRIC PUNCH AND DIE CLEARANCE CHART

8:  Average Shear Strength of Material Chart

9: PUNCH CLEARANCE CHART for Mild Steel 

10: PUNCH CLEARANCE GUIDELINES

11:  IRONWORKER PUNCH FACE TYPES

12: IRONWORKER SHAPED TOOL ALIGNMENT

13: SPECIAL PURPOSE IRONWORKER DIES 

14: COMMON IRONWORKER SHAPE PUNCHED HOLES

15: COMMON IRONWORKER SHAPE HOLES - II

16: Ironworker Punch Style Cross Reference Chart

 

 

hole punch charts