Insert Lock Nut, Aerotight, Loose Bolt, Full, Fixing Nut
Hex, Full Hex, Lock nut, Flanged, Self Locking
Steel, Bright Zinc Plated Steel, Brass, Ceramic, Stainless Steel
A4, 316 A4, Grade 8, A4 316, A2 304
4 mm, 3.2 mm, 9.9 mm, 6 mm, 17 mm
7/16-14", 1/4-20"(NE), 4-40"(NM), 5/8-11", 8-32"
4.1 mm, 6.6 mm, 28 mm, 5.1 mm, 5 mm