Screw, countersunk internal hexagon

Countersunk screw with hexagon socket, galvanised ISO 10642, steel 10.9, zinc-plated, blue passivated (A2K)

Countersunk head screw with hexagon socket ISO 10642, steel 8.8, zinc-plated, yellow chromated (A3C)

Countersunk screw with hexagon socket head ISO 10642, steel 8.8, plain

Countersunk screw with hexagon socket head ISO 10642, steel, strength class 10.9, zinc-nickel-plated, silver (ZNSHL)

Countersunk screw with hexagon socket head

ISO 10642, steel strength class 8.8, zinc-nickel-plated, black (ZNBHL)

Countersunk screw with hexagon socket head

DIN 7991, steel 08.8, zinc-plated, blue passivated (A2K)