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