The washer is integrated into the pan head, so the wide head holds the material firmly in place.
For sheet metal. Maximum compatible sheet thickness (mm): 3.2
Compatible screwdriver: Phillips No. 2
Nominal size (mm) L1: 41
Nominal size (mm) H: 3.0
Nominal dimensions (mm) d×L: 4×50
Dimensions (mm) S: Full thread
Nominal size (mm) D: 10.5
Material/Finish: Aluminum killed steel (SWCH18A), Surface treatment: Unichrome plating finish
Country of Origin: Japan
Code number: 174-8891
