Loose Bolt, Fixing Nut, Insert Lock Nut, Full, Serrated Flanged Nut
Full Hex, Self Locking, Lock nut, Hex Full, Hex
Stainless Steel, Steel, Ceramic, Bright Zinc Plated Steel, Nylon
A4, A4 316, 316 A4, Grade 8, A2 304
7.66 mm, 7 mm, 3.2 mm, 9.9 mm, 13 mm
7/16-14", 1/4-20"(NE), M6, M16, 4-40"(NM)
6.6 mm, 28 mm, 5 mm, 15 mm, 5.1 mm