Serrated Flanged Nut, Full, Half, Fixing Nut, Loose Bolt
Full Hex, Dome, Lock nut, Flanged, Hex Full
Brass, Ceramic, Steel, Stainless Steel, Nylon
A4 316, A4, 316 A4, Grade 8, A2 304
3.2 mm, 9.9 mm, 19 mm, 5 mm, 30 mm
9/16-18", 5/8-11", 5/16-18", 4-40"(NM), 8-32"
4.1 mm, 6.6 mm, 28 mm, 12 mm, 5.1 mm