Insert Lock Nut, Loose Bolt, Serrated Flanged Nut, Full, Half
Hex, Self Locking, Full Hex, Dome, Lock nut
Stainless Steel, Steel, Nylon, Ceramic, Bright Zinc Plated Steel
Grade 8, A4, 316 A4, A4 316, A2 304
4 mm, 3.2 mm, 9.9 mm, 19 mm, 30 mm
1/4-20"(NE), M20, 5/16-18", 4-40"(NM), 8-32"
12 mm, 4.1 mm, 6.6 mm, 28 mm, 5.1 mm