Insert Lock Nut, Aerotight, Full, Nylon Insert, Loose Bolt
K-Nut, Hex Full, Flanged, Lock nut, Hex
Bright Zinc Plated Steel, Brass, Ceramic, Nylon, Stainless Steel
A4, A4 316, Grade 8, 316 A4, A2 304
7.66 mm, 3.2 mm, 17 mm, 9.9 mm, 24 mm
1/2-13", 1/4-20"(NE), M20, 4-40"(NM), M8
4.1 mm, 6.6 mm, 28 mm, 6 mm, 5.1 mm