Insert Lock Nut, Fixing Nut, Loose Bolt, Serrated Flanged Nut, Nylon Insert
K-Nut, Self Locking, Full Hex, Lock nut, Flanged
Bright Zinc Plated Steel, Stainless Steel, Brass, Ceramic, Nylon
A4, 316 A4, Grade 8, A4 316, A2 304
4 mm, 30 mm, 3.2 mm, 9.9 mm, 5 mm
5/16-18", 1/4-20"(NE), M4, M5, 4-40"(NM)
6.6 mm, 6 mm, 28 mm, 12 mm, 5.1 mm