BRASS SCREW CUPS BRASS SOCKET INSERTS MACHINED BRASS CUP WASHERS FOR CSK WOOD SCREWS
No. 6 Brass Screw Cups & No. 6 Screws (1/2-inch)
Brass Turned Screw Cups | Fastenright Ltd
CUP SCREW - (SCREW(Industrial fasteners)|Special Bearing Point):It has a flanged head with cup shape which has same function with spring loch washer. By making the flange in the shape of a cup,
No10. Brass Turned Screw Cup - Orbital Fasteners
Screw Cup Turned Pattern - Brass - For #8 (4.2mm) Screws | Shop4Fasteners