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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
  • Special undercut entraps sealing washer, even when driven at extreme angles
  • Assembled with an EPDM Cut Tubular Washer

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Performance Data

Drill Point: TCP 1, 3, 5

Pullover, Pullout, Shear

Screw Driving Speeds

Technical Data

Non-Conductive Washers

Plate and Long Life Coatings

OxySeal Coating

Spectrum Custom Paint

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