Insert Lock Nut, Full, Half, Serrated Flanged Nut, Loose Bolt
Full Hex, Dome, Self Locking, Lock nut, Hex Full
Steel, Ceramic, Bright Zinc Plated Steel, Nylon, Stainless Steel
A4, A4 316, 316 A4, Grade 8, A2 304
3.2 mm, 9.9 mm, 19 mm, 6 mm, 13 mm
M16, M20, 5/16-18", 4-40"(NM), 8-32"
4.1 mm, 12 mm, 6.6 mm, 28 mm, 5.1 mm