Insert Lock Nut, Fixing Nut, Nylon Insert, Full, Loose Bolt
Full Hex, Flanged, Hex Full, Lock nut, Dome
Nylon, Brass, Ceramic, Stainless Steel, Steel
A4 316, Grade 8, A4, 316 A4, A2 304
9.9 mm, 19 mm, 8 mm, 4 mm, 24 mm
M1.6, M8, 1/4-20"(NE), 4-40"(NM), 8-32"
4.1 mm, 6.6 mm, 28 mm, 6 mm, 5.1 mm