National Nail Structural Screws 4 x 1/4" 50 Count Taps & Surges heavy machinery

heavy machinery

all polywire (regular and heavy duty)

which is up to 30% more durable than foreign competitors

240V/4500W

Lead Free Tee

National Nail Structural Screws 4 x 1/4" 50 Count Taps & Surges heavy machinery1 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