Serrated Flanged Nut, Loose Bolt, Insert Lock Nut, Full, Fixing Nut
Hex Full, K-Nut, Full Hex, Lock nut, Flanged
Bright Zinc Plated Steel, Brass, Ceramic, Steel, Nylon
Grade 8, A4, 316 A4, A4 316, A2 304
8 mm, 4 mm, 3.2 mm, 9.9 mm, 5 mm
1/4-20"(NE), M20, 5/16-18", 4-40"(NM), 8-32"
6.6 mm, 6 mm, 28 mm, 15 mm, 5.1 mm