Aerotight, Full, Loose Bolt, Fixing Nut, Serrated Flanged Nut
Flanged, Hex Full, Full Hex, Hex, Lock nut
Ceramic, Steel, Stainless Steel, Nylon, Brass
A4, A2 304, 316 A4, Grade 8, A4 316
19 mm, 8 mm, 30 mm, 3.2 mm, 9.9 mm
M2.5, 1/4-20"(NE), M20, M16, 4-40"(NM)
4.1 mm, 12 mm, 6.6 mm, 28 mm, 5.1 mm