Fixing Nut, Insert Lock Nut, Aerotight, Full, Nylon Insert
K-Nut, Full Hex, Lock nut, Hex Full, Dome
Brass, Nylon, Ceramic, Steel, Stainless Steel
A4 316, A4, 316 A4, Grade 8, A2 304
7.66 mm, 30 mm, 3.2 mm, 9.9 mm, 19 mm
5/16-18", 1/4-20"(NE), M2, 4-40"(NM), 8-32"
6 mm, 28 mm, 5 mm, 12 mm, 5.1 mm