Camo Fasteners Heavy Duty Multi-Purpose Structural Screws

5/16 in. (7.9mm) structural screw for deck substructure, deck posts, beams, handrails, landscape timbers, and more Replaces 1/2 in. (12.7mm) 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-40 Star Drive provides more points of contact, reducing cam-outs and limiting bit wear Available in 3-⅝ in. (92.1mm), 4 in. (101.6mm), 5 in. (127mm), 6 in. (152.4mm), and 8 in. (203.2mm) lengths Available in green PROTECH coating 10, 50, and 250 count T-40 power bit included