1 1/2-6 x 4 1/2 Socket Cap Screw Alloy

3 up the shank to tightly draw the decking to the substrate

1-8 x 3 3/4 Socket Cap Screw Alloy

#12 Heavy Duty Drill Bit - Stubby Length

#6 x 6 High Speed Aircraft Bit Cobalt

10 x 4 Star Flat Decking Screws w/ Nibs W.A.R. Coated Type 17 - Carton (800) 7/8-9 Grade 5 Hex Cap Screws Zinc Plated 1 1/2-6 x 4 1/210 x 4 Star Flat Decking Screws w Nibs W. A. R. Coated Type 17 Carton (800) . Exterior wood screws used for attaching wood to wood. Exceeds 1,000 hr. salt spray resistance Designed to work with ACQ treated lumber High degree of corrosion resistance Star drive prevents cam out and stripping for improved drivability