Nut, Fixing Nut, Insert Lock Nut, Serrated Flanged Nut, Half
Full Hex, K-Nut, Lock nut, Hex Full, Flanged
Bright Zinc Plated Steel, Nylon, Ceramic, Brass, Stainless Steel
A4, 316 A4, Grade 8, A2 304, A4 316
19 mm, 5.5 mm, 17 mm, 5 mm, 30 mm
1/4-20"(NE), M5, 4-40"(NM), 5/8-11", M8
12 mm, 4.1 mm, 6.6 mm, 28 mm, 5.1 mm