
ELCO DRIL-FLEX‚® 1/4-20" x 1-3/4" 5-Point Hex Washer Head Self Drill Screw - 100 Qty
Features High-hardness point and lead threads for drilling and tapping Lower-hardness load bearing area provides increased resistance to Hydrogen-Assisted Stress Corrosion Cracking when compared to case hardened fasteners Stalgard and Stalgard SUB Coatings provide enhanced galvanic compatibility in dissimilar metal applications Fasteners coated with Stalgard SUB finish typically show no red rust or other base metal corrosion on significant surfaces after 2000 hours of 5% neutral salt spray exposure (per ASTM B117) Fasteners coated with 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) Specifications Country of Origin: USA ACQ Rated Fastener - Sheet & Plate Metal: No FQA Compliant Fastener - Sheet & Plate Metal: No Fastener Color / Finish - Sheet & Plate Metal: Stalgard SUB Fastener Lengths (in) - Sheet & Plate Metal: 1.75 Fastener Plating - Sheet & P