5/16-18 x 1 MACHINE SCREWS / Phillips / Truss Head / Steel / Black Zinc including those involving aluminum

including those involving aluminum

Pull-out testing conducted in accordance with AISI S905 using the alternate tension test (with adjustments to allow for large fastener diameters)

6X1 1/4 Phillips Recess Bugle Head Coarse Thread Drywall Screw Particle Board Zinc

8X1 5/8 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

Fasteners coated with Stalgard® SUB typically show no red rust or other base metal corrosion on significant surfaces after 2000 hours of salt spray exposure in accordance with ASTM B117

5/16-18 x 1 MACHINE SCREWS / Phillips / Truss Head / Steel / Black Zinc including those involving aluminum