Appendix

A DIE-BUILDING COST ESTIMATE FORM FOR STANDARD OPENINGS AND THEIR CIRCUMFERENCES

See page A-2. This form shows the hole diameter and linear dimension s circumference for standard openings.

See page A-3. This form is blank, allowing the user to add the hole diameter and circumferences of special-sized openings to fit a particular job.

Appendix A: Die-Building Cost Estimate Form, Standard Openings, and Their Circumferences
Hole diameter, in.	Linear dimensions circumference	To build punch and die and guide, h	Punch plate, die block, backup plates, h for a number of tools below
1st	2nd	3rd	4th	5th	6th
0.125	0.393
0.25	0.785
0.375	1.178
0.5	1.571
0.625	1.963
0.75	2.356
0.875	2.75
1	3.142
1.125	3.534
1.25	3.927
1.375	4.32
1.5	4.712
1.625	5.105
1.75	5.498
1.875	5.89
2	6.283

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