acceptable for ACQ pressure treated lumber

Wings above drill point provide clearance hole in work piece so it won’t climb up the shank

1-8 x 6 Simpson Wedge Anchor 316 SS (5)

5/8-18 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

your screws require a stronger hold to resist gradual loosening and sudden breakage due to the excessive weight of the items they’re helping to support

5/8-11 x 7 Socket Cap Screw 18-8 (A2) Stainless Steel M10-1.5 Hex Cap Screws 8.8 DIN 931 Zinc Plated acceptable for ACQ pressure treated5 8 11 x 7 Socket Cap Screw 18 8 (A2) Stainless Steel . Socket Cap Screws in 18 8 (A2) Stainless Steel by Brighton Best. Conform to ASTM F837.