1/2"-13 X 3-1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (25/Pkg.) No. 1 Size: 1/4-20 diameter

Size: 1/4-20 diameter

and other fastening projects that require a reliable

Ideal for a wide range of industrial

Standard 10-24 threads ensure compatibility with a wide variety of nuts

The steel core provides strength

1/2"-13 X 3-1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (25/Pkg.) No. 1 Size: 1/4-20 diameterMachine Screws Slotted Flat Steel Zinc 1 2 13 x 3 1 2 are engineered for secure, durable fastening in metal to metal assemblies. These slotted machine screws feature a robust steel construction with a corrosion resistant zinc plating, making them well suited for a wide range of environments and applications. Size: 1 2 13 x 3 1 2 inches (1 2" diameter, 13 threads per inch, 3 1 2" long) Drive Type: Slotted for standard flat head screwdrivers Material: