Material is manufactured with rolled threads

6 x 1 1/4 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 5 lbs Pack (1215)

3/4-10 x 2 3/4 Hex Cap Screw SS 18-8 (A2)

Counter sinking NIBS for a flush finish

9/16-18 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (200) 5/8-11 Hex Tap Bolts 18-8 Stainless Steel Material is manufactured with rolled9 16 18 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (200) . 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