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Die Clearance Calculator

How to Obtain Die Clearance Required for Punching Mild Steel

Formula: MATERIAL THICKNESS X .2

Example: .250 x .2 = .050

Illustrations:
Punch & Die Clearance

How to Obtain Die Clearance Required for Punching Stainless Steel

Formula: MATERIAL THICKNESS X .25

Example: .060 x .25 = .015

How to Obtain Die Clearance Required for Punching Aluminum

Formula: MATERIAL THICKNESS X .15

Example: .250 x .15 = .0375

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