Half, Serrated Flanged Nut, Insert Lock Nut, Aerotight, Nylon Insert
Full Hex, Self Locking, K-Nut, Lock nut, Flanged
Steel, Stainless Steel, Nylon, Ceramic, Bright Zinc Plated Steel
A4, A4 316, 316 A4, Grade 8, A2 304
13 mm, 3.2 mm, 9.9 mm, 24 mm, 17 mm
1/4-20"(NE), M20, 1/2-13", 4-40"(NM), 8-32"
6.6 mm, 28 mm, 6 mm, 5.1 mm, 5 mm