Nut, Insert Lock Nut, Serrated Flanged Nut, Half, Fixing Nut
Full Hex, K-Nut, Lock nut, Hex Full, Hex
Brass, Ceramic, Bright Zinc Plated Steel, Stainless Steel, Nylon
A4, 316 A4, Grade 8, A4 316, A2 304
4 mm, 30 mm, 3.2 mm, 9.9 mm, 8 mm
M10, M16, M20, 5/16-18", 4-40"(NM)
4.1 mm, 12 mm, 6.6 mm, 28 mm, 5.1 mm