National Nail Structural Screws 4 x 1/4" 50 Count Brand_Liquid Fire This stem is constructed of

This stem is constructed of metal

Maximum working pressure: 150PSI

The large filter size provides extra capacity where high sediment concentration is an issue

Working water pressure: 15 psi (minimum) – 90 psi (maximum)

controllable cutting action

National Nail Structural Screws 4 x 1/4" 50 Count Brand_Liquid Fire This stem is constructed of1 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