Fixing Nut, Loose Bolt, Aerotight, Full, Half
K-Nut, Full Hex, Hex, Lock nut, Hex Full
Nylon, Ceramic, Steel, Bright Zinc Plated Steel, Stainless Steel
A4, A2 304, 316 A4, Grade 8, A4 316
3.2 mm, 9.9 mm, 7 mm, 5 mm, 30 mm
M1.6, 1/2-13", 1/4-20"(NE), 4-40"(NM), 8-32"
2.29 mm, 4.1 mm, 6.6 mm, 28 mm, 5.1 mm