ELCO DRILIT® 1/4-20" x 3" 2-Point Hex Washer Head Self Drill Screw - 1000 Qty
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Features
Eliminates separate drilling and tapping operations
Fasteners coated with Stalgard® and Gray Stalgard® finish typically show no red rust or other base metal corrosion on significant surfaces after 1000 hours of 5% neutral salt spray exposure (per ASTM B117)
Screws with EPDM Bonded Sealing washers are available in multiple sizes and configurations for applications requiring a weather-tight seal
Fasteners coated with Gray Stalgard® are compatible with ACQ-treated lumber with retention levels no higher than .25 pcf