Fixing Nut, Insert Lock Nut, Serrated Flanged Nut, Aerotight, Loose Bolt
Full Hex, Self Locking, Hex, Lock nut, Hex Full
Brass, Stainless Steel, Ceramic, Bright Zinc Plated Steel, Nylon
Grade 8, A4, 316 A4, A4 316, A2 304
30 mm, 3.2 mm, 9.9 mm, 19 mm, 13 mm
M2.5, M8, M20, 1/4-20", 4-40"(NM)
6.6 mm, 28 mm, 12 mm, 8 mm, 5.1 mm