head symmetry and 4 symmetrical functioning spiral ridges for fast

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

3/4-10 x 3 1/2 Hex Tap Bolt 18-8 (A2) Stainless Steel

1/2-13 x 8 1/2 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(25)

1/2-20 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) Phillips Bugle Decking Screws W.A.R. Coated head symmetry and 4 symmetrical1 2 20 x 2 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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