Serrated Flanged Nut, Insert Lock Nut, Aerotight, Loose Bolt, Half
Full Hex, K-Nut, Lock nut, Hex Full, Hex
Steel, Brass, Nylon, Ceramic, Stainless Steel
A4 316, A4, 316 A4, Grade 8, A2 304
5 mm, 3.2 mm, 9.9 mm, 7 mm, 30 mm
M20, 1/4-20"(NE), M2, 4-40"(NM), 8-32"
10 mm, 4.1 mm, 6.6 mm, 28 mm, 5.1 mm