clinch allowance
Your right size rivet
Rivet length formula:
Combined material thickness of assembly + clinch allowance = rivet length
Chart of standard clinch allowances
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Rivet Shank Diameter .060” .065” .088” .098” 1/8” 9/64” 5/32” 3/16” 7/32” 1/4” 5/16” 3/8”
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Semi Tubular .032” .032” .045” .055” .062” .093” .093” .110” .140” .156” .187” 7/32”
Clinch ____________________________________________________________________________________________
Allowance
Deep Hole - - .062” .078” .093” .125” .125” .156” .175” .187” .210” -
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Diameter of hole in assembly .067” .070” .093” .104” .128” .152” .165” .196” 15/64” 17/64” 21/64” 25/64” ______________________________________________________________________________
Drill Number 51 50 42 37 30 24 19 9 15/64” 17/64” 21/64” 25/64”
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