Loose Bolt, Insert Lock Nut, Full, Serrated Flanged Nut, Fixing Nut
K-Nut, Dome, Hex, Hex Full, Self Locking
Brass, Steel, Stainless Steel, Bright Zinc Plated Steel, Ceramic
18 mm, 7 mm, 13 mm, 14.2 mm, 6 mm
M20, 7/16-14", 1/4-20"(NE), 4-40"(NM), 8-32"
DIN 982, DIN 6923, DIN 985, DIN 6926, DIN 985/DIN 982
Galvanised, Bright Zinc Plated, Nickel Plated, Plain, Zinc Plated