1/2-20 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

the SNAPSKRU® anchor opens with an audible "pop

8 x 2 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Box (100)

1/2-20 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (475)

3/4-16 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (150)

1/4-20 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (100) 5/8-11 Flat Socket Cap Screws Alloy 1/2-20 x 2 1/2 L91 4 20 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (100). 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 120,000