GB-FP nylon wing nuts with tapped through inserts from JW Winco.
allow full clamping, so there are no restrictions on the threaded stud the wing nut is used on. The nuts are appropriate for packaging, medical, printing, woodworking, lighting, and computer products. The wing bod resists temperature up to 230° F (110° C), is matte black, glass-filled nylon and tapped insert is molded-in brass.

JW Winco, 800-877-8351, www.jwwinco.com.