Aerotight, Insert Lock Nut, Serrated Flanged Nut, Loose Bolt, Half
Hex, Flanged, Full Hex, Lock nut, Hex Full
Bright Zinc Plated Steel, Brass, Ceramic, Steel, Nylon
A4, 316 A4, Grade 8, A4 316, A2 304
3.2 mm, 17 mm, 9.9 mm, 19 mm, 5.5 mm
M1.6, 7/16-14", 1/4-20"(NE), 4-40"(NM), 8-32"
4.1 mm, 6.6 mm, 28 mm, 10 mm, 5.1 mm