National Nail Ledger Structural Screw, 5/16 in x 3-5/8 in 50-count
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
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
