Full, Nylon Insert, Serrated Flanged Nut, Aerotight, Loose Bolt
Full Hex, Hex Full, K-Nut, Lock nut, Dome
Brass, Steel, Ceramic, Nylon, Stainless Steel
A4 316, A4, 316 A4, Grade 8, A2 304
13 mm, 19 mm, 5.5 mm, 24 mm, 30 mm
1/4-20"(NE), M4, M2.5, 4-40"(NM), 8-32"
2.29 mm, 4.1 mm, 6.6 mm, 28 mm, 5.1 mm