1/2"-13 X 4" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.) Fasteners inside width 3 9/16"

inside width 3 9/16"

professional-looking finish

Steel construction delivers reliable strength for load-bearing fastenings

high-volume fastening in electronics

Thread: 16 threads per inch (coarse)

1/2"-13 X 4" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.) Fasteners inside width 3 9/16"Upgrade your metal fastening projects with our Machine Screws Slotted Flat Steel Zinc 1 2 13X4. These slotted, flat head machine screws are crafted from durable steel and finished with a zinc coating for superior corrosion resistance. With a 1 2 inch diameter, 13 TPI thread, and 4 inch length, they deliver dependable torque and secure clamping in a wide range of applications. Specifications Material: Steel Finish: Zinc (zinc plated) Head type: Flat