1 3/4-8 A194 2H Heavy Hex Nut Plain

10-24 x 6 Socket Cap Screw Alloy

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

Made of heat-treated carbon steel and available in both zinc plated and mechanically galvanized finishes

8 Hex Cap Screw Yellow Zinc Plated

1-8 x 3 1/4 Hex Cap Screw SS 316 (A4) 9/16-12 Hex Cap Screws 18-8 Stainless Steel 1 3/4-8 A194 2H Heavy1 8 x 3 1 4 Hex Cap Screw SS 316 (A4) . 316 series stainless steel differs from 18 8 by its molybdenum content (2 3%) and a higher nickel content (10 14%). 316 stainless steel has greater corrosion resistance than 18 8 as well as superior strength at high temperatures.