Fixing Nut, Insert Lock Nut, Loose Bolt, Serrated Flanged Nut, Full
Full Hex, Hex Full, K-Nut, Lock nut, Flanged
Nylon, Brass, Ceramic, Bright Zinc Plated Steel, Stainless Steel
Grade 8, A4, A4 316, 316 A4, A2 304
7.66 mm, 3.2 mm, 9.9 mm, 19 mm, 7 mm
M10, 1/4-20"(NE), M4, M2.5, 4-40"(NM)
6.6 mm, 28 mm, 5 mm, 12 mm, 5.1 mm