DEWALT Drilit® Metal Screw with Bonded Sealing Washer
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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
| Catalog Number | Description | Nominal Head Height | Drive Size | Washer Diameter | Point Type | Max Load Bearing Length | Min Protrusion Length | Finish | Pack Qty |
|---|---|---|---|---|---|---|---|---|---|
| DFSEHL146 | #10 - 16 x 1-1/2" | 0.26" | 5/16" | 1/2" | #3 | 0.925" | 1/2" | Stalgard® | 2000 |
| DFSEHL577 | 1/4" - 14 x 1-1/2" | 0.305" | 3/8" | 5/8" | #3 | 0.8" | 5/8" | Stalgard® | 1500 |
| DFSEHL280 | #12 - 14 x 2" | 0.255" | 5/16" | 9/16" | #3 | 1.3" | 9/16" | Stalgard® | 1500 |
| DFSEHL295 | #12 - 14 x 3" | 0.255" | 5/16" | 9/16" | #3 | 2.363" | 9/16" | Stalgard® | 1000 |
| DFSEHL310 | #12 - 14 x 4" | 0.255" | 5/16" | 9/16" | #3 | 3.363" | 9/16" | Stalgard® | 500 |
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