PEM® weld nuts (Types WN/WNS) provide load-bearing threads in metal sheets too thin to tap, and permit faster assembly.

PEM brand weld nuts overcome many problems associated with other weld nuts – burn-outs, complicated electrodes and pilots, tedious time-consuming indexing and re-tapping to remove weld spatter. Their design, based on the experience of hundreds of users of weld nuts, speeds production using standard equipment, thereby reducing labor costs.

PEM stainless steel weld nuts offer the added advantage of resisting corrosion. You may specify steel or stainless steel for your requirements and be sure you are getting the weld nuts that are easiest to install. A variety of welding equipment is suitable for installation of PEM weld nuts. Best results have been obtained with a 50KVA press-type, spot-welding machine whose upper welding head moves vertically in a straight line with the lower electrode. Flat-faced electrodes with tip diameters .125” / 3.2 mm larger than the “E” dimension of the PEM weld nut should be used.
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Part #

Thread Size

Type

C Max.

E + .000 - .010

Standard Material

Standard Finish

CAD

WN-440-0 CU N/A .112-40 (#4-40) N/A WN N/A .172 in N/A .308 in N/A Carbon Steel N/A Copper Flash N/A 103787
WN-632-0 CU N/A .138-32 (#6-32) N/A WN N/A .192 in N/A .341 in N/A Carbon Steel N/A Copper Flash N/A 103787
WN-832-0 CU N/A .164-32 (#8-32) N/A WN N/A .217 in N/A .371 in N/A Carbon Steel N/A Copper Flash N/A 103787
WN-024-0 CU N/A .190-24 (#10-24) N/A WN N/A .249 in N/A .440 in N/A Carbon Steel N/A Copper Flash N/A 103787
WN-032-0 CU N/A .190-32 (#10-32) N/A WN N/A .249 in N/A .440 in N/A Carbon Steel N/A Copper Flash N/A 103787
WN-0420-0 CU N/A .250-20 (1/4-20) N/A WN N/A .315 in N/A .522 in N/A Carbon Steel N/A Copper Flash N/A 103787
WNS-440-0 N/A .112-40 (#4-40) N/A WNS N/A .172 in N/A .308 in N/A 300 Series stainless steel N/A Passivated and/or tested per ASTM A380 N/A 103787
WNS-632-0 N/A .138-32 (#6-32) N/A WNS N/A .192 in N/A .341 in N/A 300 Series stainless steel N/A Passivated and/or tested per ASTM A380 N/A 103787
WNS-832-0 N/A .164-32 (#8-32) N/A WNS N/A .217 in N/A .371 in N/A 300 Series stainless steel N/A Passivated and/or tested per ASTM A380 N/A 103787
WNS-024-0 N/A .190-24 (#10-24) N/A WNS N/A .249 in N/A .440 in N/A 300 Series stainless steel N/A Passivated and/or tested per ASTM A380 N/A 103787
WNS-032-0 N/A .190-32 (#10-32) N/A WNS N/A .249 in N/A .440 in N/A 300 Series stainless steel N/A Passivated and/or tested per ASTM A380 N/A 103787
WNS-0420-0 N/A .250-20 (1/4-20) N/A WNS N/A .315 in N/A .522 in N/A 300 Series stainless steel N/A Passivated and/or tested per ASTM A380 N/A 103787
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