so they’ll remain durable for as long as the screws that they hold

8 x 1 5/8 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

1 1/2-6 x 1 1/2 Socket Set Screw Cup Point Alloy

hardness will range from HRC 31-39

Flat Socket Cap Screws in 18-8 (A2) Stainless Steel Metric by Brighton Best

3/4-16 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (300) Hex Sleeve Anchors Zinc Plated so they’ll remain durable for3 4 16 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (300) . L9 High Tensile Strength Hex Nuts are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods. Brighton Best manufactures L9 nuts from AISI alloy steels. L9