Loose Bolt, Fixing Nut, Serrated Flanged Nut, Half, Full
Hex Full, Self Locking, Full Hex, K-Nut, Lock nut
Steel, Stainless Steel, Bright Zinc Plated Steel, Ceramic, Nylon
A4, 316 A4, Grade 8, A2 304, A4 316
3.2 mm, 9.9 mm, 19 mm, 5 mm, 13 mm
M20, M16, 9/16-18", 4-40"(NM), 8-32"
4.1 mm, 12 mm, 6.6 mm, 28 mm, 5.1 mm