PEMSERT self-clinching flush nuts are designed to be completely flush in sheets as thin as .060”.

These fasteners are ideal for applications where a thin sheet requires load-bearing threads but still must remain smooth, with no protrusions on either surface. The PEM flush nut can be installed easily by squeezing it into a round hole in metal sheets. When the fastener is installed, both the top and the bottom of the sheet remain smooth, enhancing the functional and cosmetic qualities of the entire assembly. PEMSERT self-clinching flush nuts can be installed in metal sheets before bending and forming. This can provide strong threads in places which would be inaccessible for installation after chassis are formed.

The hexagonal head along with the proven PEM self-clinching design ensures high axial and torsional strength and PEMSERT Type F fasteners can be ordered to conform to US NASM45938/4 specifications.
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Part #

Thread Size

A (Shank) Max.

Sheet Thickness

Hole Size in Sheet + .003 - .000

C Max.

H Nom.

Fastener Material

CAD

F-256-1 N/A .086-56 (#2-56) N/A .060 in N/A .060 to .090 in N/A .172 in N/A .171 in N/A .188 in N/A 300 Series Stainless Steel N/A 103690
F-440-1 N/A .112-40 (#4-40) N/A .060 in N/A .060 to .090 in N/A .172 in N/A .171 in N/A .188 in N/A 300 Series Stainless Steel N/A 103690
F-632-1 N/A .138-32 (#6-32) N/A .060 in N/A .060 to .090 in N/A .213 in N/A .212 in N/A .250 in N/A 300 Series Stainless Steel N/A 103690
F-832-1 N/A .164-32 (#8-32) N/A .060 in N/A .060 to .090 in N/A .290 in N/A .289 in N/A .312 in N/A 300 Series Stainless Steel N/A 103690
F-032-1 N/A .190-32 (#10-32) N/A .060 in N/A .060 to .090 in N/A .312 in N/A .311 in N/A .343 in N/A 300 Series Stainless Steel N/A 103690
F-256-2 N/A .086-56 (#2-56) N/A .090 in N/A .091 Min. in N/A .172 in N/A .171 in N/A .188 in N/A 300 Series Stainless Steel N/A 103690
F-440-2 N/A .112-40 (#4-40) N/A .090 in N/A .091 Min. in N/A .172 in N/A .171 in N/A .188 in N/A 300 Series Stainless Steel N/A 103690
F-632-2 N/A .138-32 (#6-32) N/A .090 in N/A .091 Min. in N/A .213 in N/A .212 in N/A .250 in N/A 300 Series Stainless Steel N/A 103690
F-832-2 N/A .164-32 (#8-32) N/A .090 in N/A .091 Min. in N/A .290 in N/A .289 in N/A .312 in N/A 300 Series Stainless Steel N/A 103690
F-032-2 N/A .190-32 (#10-32) N/A .090 in N/A .091 Min. in N/A .312 in N/A .311 in N/A .343 in N/A 300 Series Stainless Steel N/A 103690
F-0420-3 N/A .250-20 (1/4-20) N/A .120 in N/A .125 to .155 in N/A .344 in N/A .343 in N/A .375 in N/A 300 Series Stainless Steel N/A 103690
F-0420-4 N/A .250-20 (1/4-20) N/A .151 in N/A .156 to .186 in N/A .344 in N/A .343 in N/A .375 in N/A 300 Series Stainless Steel N/A 103690
F-0420-5 N/A .250-20 (1/4-20) N/A .182 in N/A .187 Min. in N/A .344 in N/A .343 in N/A .375 in N/A 300 Series Stainless Steel N/A 103690
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