Insert Lock Nut, Loose Bolt, Fixing Nut, Serrated Flanged Nut, Half
Hex, K-Nut, Lock nut, Hex Full, Self Locking
Nylon, Ceramic, Stainless Steel, Bright Zinc Plated Steel, Steel
A4, Grade 8, A4 316, 316 A4, A2 304
7.66 mm, 3.2 mm, 9.9 mm, 5.5 mm, 4 mm
5/8-11", 1/4-20"(NE), M20, 1/2-13", 4-40"(NM)
4.1 mm, 6.6 mm, 28 mm, 5.1 mm, 5 mm