National Nail Structural Screws 4 x 1/4" 50 Count

1/4 in. (6.35mm) structural screw for deck substructure, deck posts, beams, handrails, landscape timbers, and moreReplaces 3/8 in. (9.53mm) lag screwsSharp point starts fast with no pre-drillingFlat, washer-style head provides stronger holding power and greater surface contact and finishes flush3rd party tested for screw strength confirmationT-30 and T-40 Star Drive provides more points of contact, reducing cam-outs and limiting bit wearAvailable in 2-½ in. (63.5mm), 3 in. (76.2mm), 3-½ in. (88.9mm), 4 in. (101.6mm), 5 in. (127mm), 6 in. (152.4mm), 8 in. (203.2mm), and 10 in. (254mm) lengthsAvailable in green PROTECH coating10, 50, 250, 500 countT-30 and T-40 power bits included