Executable civilization cool screw cup to continue Abbreviation Destruction
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,
No.10 Solid Brass Turned Pattern & Knurled Surface Screw Cup Washer - To suit countersunk screws6mm security - Bolt WorldBolt World
Brass Turned Pattern Screw Cup 8g – Classic Marine
Solid brass screw cup cups pack 100 for no.7 & 8 (3.9-4.2mm) countersunk screws | eBay
Turned Screw Cups Welcome to Allfix Online - Allfix eShop
TIMCO Knurled Brass Inset Screw Cup - To fit 5.5, 6.0 Screw (TIMpac of 8)