7/8-9 x 6 Simpson Wedge Anchor 304 SS (5)

Minimum: 3

They are actually stronger than most metal and chemical anchors

9/16-12 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

Yellow zinc plated bolting will meet or exceed ASTM F1941

21/64 Cobalt Heavy Duty Jobber Drill Bit (6) Gutter Screws 7/8-9 x 6 Simpson Wedge21 64 Cobalt Heavy Duty Jobber Drill Bit . Heavy duty construction made to Type J aircraft specifications. Used for drilling holes in hard, tough materials such as stainless steel, titanium, high temperature and high strength alloys. High red hardness of cobalt permits speeds 30% greater than standard heavy duty split point (HSS) drills.