Type SP, PEM 300® nuts provide strong load-bearing threads in stainless steel sheets as thin as .030”.
Type SP is recommended for use in steel or aluminum sheets HRB (Rockwell “B” scale) 90 or less and HB (Hardness Brinell) 185 or less.
For SP type products that have a “single ring” marking on the barrel, please refer to PEM® bulletin CL for installation information.