1/4-20 x 1 1/4 MACHINE SCREWS / Combo / Pan Head / Steel / Zinc Lower-hardness load bearing area provides

Lower-hardness load bearing area provides increased resistance to Hydrogen-Assisted Stress Corrosion Cracking when compared to case hardened fasteners

6-18X3/4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

Evaluation Service (ICC-ES)

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

9X1 1/2 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

1/4-20 x 1 1/4 MACHINE SCREWS / Combo / Pan Head / Steel / Zinc Lower-hardness load bearing area provides