This gives 316 stainless steel a higher degree of corrosion resistance and superior strength at raised temperatures

#46 Heavy Duty Jobber Drill Bit

7/16-14 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (550)

1/2-13 x 9 Grade 5 Hex Cap Screw Zinc Plated

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

3/4-10 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Phillips Flat Machine Screws Type F Zinc Plated This gives 316 stainless steel3 4 10 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum