Full, Insert Lock Nut, Loose Bolt, Fixing Nut, Half
K-Nut, Full Hex, Self Locking, Lock nut, Flanged
Stainless Steel, Brass, Ceramic, Bright Zinc Plated Steel, Nylon
Grade 8, A4, 316 A4, A2 304, A4 316
7.66 mm, 4 mm, 3.2 mm, 9.9 mm, 30 mm
M4, M2, 1/4-20", 4-40"(NM), 8-32"
4.1 mm, 12 mm, 6.6 mm, 28 mm, 5.1 mm