NF E25-523-1999
Slotted pan head tapping screws and plain washer assemblies-type C
NF E25-523-1999
Slotted pan head tapping screws and plain washer assemblies-type F
NF E25-523-1999
Slotted pan head tapping screw and large plain washer assemblies-type C
NF E25-523-1999
Slotted pan head tapping screw and large plain washer assemblies-type F