Aerotight, Fixing Nut, Full, Loose Bolt, Half
Full Hex, Self Locking, Dome, Lock nut, Flanged
Nylon, Ceramic, Bright Zinc Plated Steel, Steel, Stainless Steel
A4, 316 A4, Grade 8, A4 316, A2 304
7.66 mm, 3.2 mm, 9.9 mm, 19 mm, 30 mm
1/4-20"(NE), M4, M2.5, M20, 4-40"(NM)
6.6 mm, 28 mm, 5 mm, 12 mm, 5.1 mm