National Nail Structural Screws 4 x 1/4" 50 Count Termite Killer has split points & has

has split points & has a surface treated high speed steel for wear resistance

super thin laser cut kerf small diameter blades only provides faster

Standard series blow guns do not have a bypass or restrictions to limit output pressure

durable and has a resin non-slip surface

National Nail Structural Screws 4 x 1/4" 50 Count Termite Killer has split points & has1 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