Insert Lock Nut, Serrated Flanged Nut, Full, Nylon Insert, Half
Hex, K-Nut, Full Hex, Lock nut, Hex Full
Brass, Ceramic, Steel, Stainless Steel, Nylon
A4 316, A4, 316 A4, Grade 8, A2 304
13 mm, 3.2 mm, 9.9 mm, 19 mm, 17 mm
1/4-20"(NE), M16, M20, 9/16-18", 4-40"(NM)
2.29 mm, 4.1 mm, 6.6 mm, 28 mm, 5.1 mm