Half, Nylon Insert, Aerotight, Loose Bolt, Fixing Nut
Full Hex, Flanged, Dome, K-Nut, Lock nut
Steel, Nylon, Ceramic, Bright Zinc Plated Steel, Stainless Steel
Grade 8, A4, A2 304, 316 A4, A4 316
3.2 mm, 9.9 mm, 19 mm, 17 mm, 7 mm
M20, 7/16-14", 1/4-20"(NE), 4-40"(NM), 8-32"
6.6 mm, 6 mm, 28 mm, 12 mm, 5.1 mm