Hillman 3/8 in. Diameter x 5 in. Length Heat-Treated Steel Hex Head Cap Screw, 50-Pack 12x12 Floor Tiles letting the design breathe without

letting the design breathe without visible brackets

A: Securing railroad ties

they feature integrated serrations that bite into the mating surface to resist loosening from vibration

They are USS washers sized for 3/8-inch inch-based coarse-thread fasteners

Hillman 3/8 in. Diameter x 5 in. Length Heat-Treated Steel Hex Head Cap Screw, 50-Pack 12x12 Floor Tiles letting the design breathe withoutHillman Grade 8 Hex Head Cap Screw, 3 8" x 5", 50 Pack Heavy duty hex head cap screws engineered from heat treated steel for reliable, high strength fastening. Coarse thread, partially threaded design with washer face under the head ensures a secure seal in structural and machinery applications. Key Features: High Strength Grade 8: Heat treated steel delivers superior tensile strength for demanding projects Washer Face Seal: Integrated washer face