1/4-20 x 4 Combination (Phil/Slot) Round Head Fully Threaded Machine Screw Zinc WIY The flat head design provides

The flat head design provides a flush finish when installed

while the flange head provides increased bearing surface for optimal load distribution

This screw is made of steel and has a zinc plated finish

this washer has been through-hardened for increased strength and durability

The washer helps to distribute the load of the screw and prevent it from damaging the surface of the material being fastened

1/4-20 x 4 Combination (Phil/Slot) Round Head Fully Threaded Machine Screw Zinc WIY The flat head design providesThis 1 4 20 x 4 Combination (Phil Slot) Round Head Fully Threaded Machine Screw Zinc is a versatile and durable fastener that is commonly used in a variety of applications. The 1 4 20 thread size indicates that the screw has a diameter of 1 4 inch and 20 threads per inch. The 4 inch length refers to the overall length of the screw from the tip to the end of the threads. The combination head features both a Phillips and a slotted drive, providing