PennEngineering introduced its PEM® PreTect™ thread masking plugs that protect internal threads of self-clinching nuts and standoffs during paint and powder coating processes.
These pre-installed silicone thread masking plugs are designed for self-clinching blind standoffs, thru-hole standoffs, and nuts in thread sizes #4-40 to ¼-20 and M3 to M6.
Plugs can be augmented for thru-hole fastener types with a specially engineered stretched polyester film offering thread protection on the side opposite the plug. Plugs and film can be removed easily using a fine tip tool when processes are completed.
The plugs are engineered to withstand temperatures up to 482°F and 250°C and fasteners with the feature can be installed automatically to achieve additional production economies.
5190 Old Easton Road
Danboro, PA 18916
Tel: +1 215-766-8853
Fax: +1 215-766-0143
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