Insert Lock Nut, Full, Serrated Flanged Nut, Nylon Insert, Half
Hex, Full Hex, Lock nut, Flanged, Dome
Brass, Stainless Steel, Ceramic, Bright Zinc Plated Steel, Nylon
A4 316, A4, 316 A4, Grade 8, A2 304
5.5 mm, 3.2 mm, 9.9 mm, 7 mm, 30 mm
M2.5, 5/16-18", 7/8-14", 1/4-20"(NE), 4-40"(NM)
4.1 mm, 12 mm, 6.6 mm, 28 mm, 5.1 mm