Flat-Top fasteners combine under-cut hex washer heads with EPDM cut-tubular sealing washers. They are a superior and cost-effective alternative to standard fasteners with metal back washers.

One-piece design eliminates damage to painted washer surface and eliminates dissimilar metal washer materials

• Flat on top stabilizes socket during installation
• Higher hex provides positive socket engagement
• EPDM sealant assures waterproof seal even under harsh conditions
• Special undercut entraps sealant even when driven at angles
• Standard Oxyseal II™ long-life coating for added corrosion protection on carbon steel fasteners

• Flat-Top Technical Data