DEWALT Drilit® Metal Screw with Bonded Sealing Washer

DRILIT® SELF-DRILLING FASTENERS FOR FAST, WEATHER-TIGHT CONNECTIONS

The DEWALT Drilit® with Bonded Sealing Washer is designed to eliminate separate drilling and tapping operations, helping contractors complete installations faster and more efficiently. Featuring an EPDM bonded sealing washer, these self-drilling fasteners create a reliable weather-tight seal for steel-to-steel, wood-to-steel, and composite-to-steel applications.

Available in multiple sizes and configurations, Drilit® fasteners are ideal for commercial construction, metal panel attachment, flashing installation, and general exterior fastening applications.

FEATURES

• Self-drilling design eliminates separate drilling and tapping operations
• Bonded EPDM sealing washer helps provide a weather-tight seal
• Multiple sizes available for a wide range of fastening applications
• Stalgard® corrosion-resistant coating helps protect against rust and corrosion
• Tested to ASTM B117 with up to 1000 hours of 5% neutral salt spray exposure
• Gray Stalgard® compatibility suitable for use with ACQ-treated lumber up to 0.25 pcf retention levels
• Ideal for exterior applications requiring moisture resistance and long-term durability

APPLICATIONS

• Steel-to-steel connections
• Wood-to-steel connections
• Composite material-to-steel connections
• Flashing attachment
• Metal panel installation
• Exterior cladding systems
• General commercial construction fastening

SPECIFICATIONS

APPROVALS & LISTINGS

• ICC-ES ESR-3294
• ICC-ES ESR-4367
• Code compliant with:
  • 2021 IBC/IRC
  • 2018 IBC/IRC
  • 2015 IBC/IRC
  • 2012 IBC/IRC
• Tested in accordance with ICC-ES AC500 for attaching miscellaneous building materials to steel
• Tested in accordance with ICC-ES AC118 for steel-to-steel connections

INSTALLATION NOTES

• Designed for self-drilling installation into steel substrates
• Use the appropriate drive size for secure installation
• Do not overtighten fasteners to avoid damaging the bonded sealing washer
• Verify substrate thickness and fastening requirements prior to installation

RESOURCES

• Tech Page
• Made in the USA Compliance
• Installation Guidelines
• Sell Sheet
• Material Connections Chart