This product would be ideal for applications requiring hexagonal screw covers with cap diameters of 16mm or 19mm, designed to fit 8mm (5/16") screws.
8mm (5/16”) Hexagonal Hex Head Tek Tec Tech Screw Cap Cover for 16mm/19mm Washer
19mm Hexagonal Hex Tek Screw Cover Caps To Fit 8mm Tek Screws 100qty Clearance
19mm HEXAGONAL HEX TEK SCREW COVER CAPS TO FIT 8mm (5/16") TEK SCREWS UV STABLE
19mm Hexagonal Screw Cover Caps - Fastener Caps Protectors for 8mm Tek Screws
BONDED TEK SCREW SEALING ROOFING WASHERS EPDM RUBBER WATERPROOF 16mm 19mm 29mmØ
