BN 20234 | DIN 933-ISO 4017Hex head screws fully threadedSteel, zinc plated with thick layer passivation
BN 20541 | DIN 933-ISO 4017Hex head screws fully threadedSteel, zinc plated blue with CresaCoat® C 313 Silver
BN 21200 | DIN 933-ISO 4017Hex head screws fully threadedSteel, Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)