National Nail Structural Screws 4 x 1/4" 50 Count Fasteners Design certified and agency listed:

Design certified and agency listed: Inspector friendly

salt & more

NEVER use any H

Using a standard 8 oz measuring cup

Corrosion-resistant galvanized finish

National Nail Structural Screws 4 x 1/4" 50 Count Fasteners Design certified and agency listed:1 4 in. (6. 35mm) structural screw for deck substructure, deck posts, beams, handrails, landscape timbers, and more Replaces 3 8 in. (9. 53mm) lag screws Sharp point starts fast with no pre drilling Flat, washer style head provides stronger holding power and greater surface contact and finishes flush 3rd party tested for screw strength confirmation T 30 and T 40 Star Drive provides more points of contact, reducing cam outs and limiting bit wear