Die Clearance Calculator
Home
>
Die Clinic
>
Die Clearance Calculator
This free online calculator determines die clearance according to a proprietary database containing over 2000 clearance tests. Each test result was recorded and a mathematical model was created. Use it to calculate die clearance required for perforating metals, plastics, and more. For more information, please read
Proper Die Clearance.
Step 1.
Enter information about the stock you are punching in rows A, B, and C below. Enter information about your punch in row D.
A.
*** Select Inches or Millimeters ***
Inches
Millimeters
B.
*** Select Stock Material Being Perforated ***
Rubber - 1000 psi
Plastic - Soft - 2000 psi
Plastic - Hard - 3000 psi
Phenolic - 6000 psi
Paper - 7000 psi
Aluminum - Soft - 12000 psi
Aluminum - 1100 to 6063 - 18400 psi
Aluminum - 7075 to 7178 - 33800 psi
Brass - Soft - 30000 psi
Brass - Half Hard - 52400 psi
Brass - Full Hard - 81400 psi
Brass - Spring Quality - 81400 psi
Bronze - Common Quality - 53600 psi
Bronze - Annealed Phosphorous Bronze - 53000 psi
Bronze - Hard Phosphorous Bronze - 89400 psi
Copper - Quarter Hard 110 Grade - 15000 psi
Copper - Soft Common Quality - 23000 psi
Copper - Soft Beryllium Copper - 70300 psi
Copper - Hard Beryllium Copper - 170500 psi
Hasteloy - 109500 psi
Steel 1010 Cold Rolled - 45000 psi
Steel Cold Rolled - 0.15% Carbon #4 Temper - 51000 psi
Steel Cold Rolled - 0.15% Carbon #3 Temper - 64000 psi
Steel Cold Rolled - 0.25% Carbon No Temper - 76300 psi
Steel High Strength - 0.25% Carbon #1 Temper - 104000 psi
Spring Steel - 0.50% Carbon - 121000 psi
Spring Steel - 1.00% Carbon - 151000 psi
Stainless Steel - 200 Series - 141000 psi
Stainless Steel - 300 Series - 96300 psi
Stainless Steel - 400 Series - 96300 psi
C.
Stock Thickness
D.
*** Select Punch Point Shape ***
Round Point
Square/Rectangle Point
Oblong Point
Other Shape