NF E25-523-1999
Cross recessed pan head tapping screws and plain washer assemblies-type H-type C
NF E25-523-1999
Cross recessed pan head tapping screws and plain washer assemblies-type H-type F
NF E25-523-1999
Cross recessed pan head tapping screws and large plain washer assemblies-type H-type C
NF E25-523-1999
Cross recessed pan head tapping screws and large plain washer assemblies-type H-type F