Brass Hex Panel Nuts
These panel nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. They can be fastened with a wrench for more torque while tightening than knurled panel nuts. Also known as dress nuts, they're extremely thin for use in tight spaces such as electrical panels.
Stainless Steel Hex Panel Nuts
All of these stainless steel panel nuts have some chemical resistance. They can be fastened with a wrench for more torque while tightening than knurled panel nuts. Also known as dress nuts, they are extremely thin for use in tight spaces such as electrical panels.
UNEF Thread
18-8 Stainless Steel—18-8 stainless steel nuts have good chemical resistance. They may be mildly magnetic.
Black-Oxide 18-8 Stainless Steel—Black-oxide 18-8 stainless steel nuts have a dark surface color.
316 Stainless Steel—316 stainless steel nuts have excellent chemical resistance and can be used in saltwater environments.
Steel Hex Panel Nuts
Fasten these panel nuts with a wrench for more torque while tightening than knurled panel nuts. Also known as dress nuts, they're extremely thin for use in tight spaces such as electrical panels.