#60 Heavy Duty Drill Bit - Stubby Length

5/16 x 7 Square Pan GutterScrew® Brown (25)

#53 Heavy Duty Jobber Drill Bit

1 3/4-5 x 3 Socket Cap Screw Alloy

Hot-Dip Galvanized nuts are over tapped per ASTM A563

1-8 x 4 1/2 Hex Cap Screw SS 18-8 (A2) 1-8 Grade 8 Hex Cap Screws Yellow Zinc Plated #60 Heavy Duty Drill Bit1 8 x 4 1 2 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18 8 is used at times to designate any and all of those alloy groups. 18 8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ pressure