Over-sized threads are wider than gutter spikes

50 x 90 Hex Cap Screw DIN 931 A2 (18-8) Stainless Steel - DIN 931 A2 Hex Cap Screws are manufactured from A2-70 stainless steel per ISO 3506 part 1

#52 Heavy Duty Jobber Drill Bit

3/8-24 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (900)

3/8-16 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (400) Cap Nuts 18-8 Stainless Steel Over-sized threads are wider than3 8 16 x 2 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (400). 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 of