Loose Bolt, Fixing Nut, Aerotight, Full, Half
Full Hex, Flanged, Self Locking, Lock nut, Hex
Bright Zinc Plated Steel, Brass, Ceramic, Steel, Nylon
A4, A2 304, A4 316, 316 A4, Grade 8
55 mm, 7.66 mm, 30 mm, 3.2 mm, 9.9 mm
1/4-20"(NE), M8, M2.5, M20, 4-40"(NM)
4.1 mm, 6.6 mm, 28 mm, 5.1 mm, 8 mm