1/4-20 x 4 Phillips Flat Undercut Thread Cutting Screw Type F Fully Threaded Zinc BPT It is made of alloy

It is made of alloy steel and has a black phosphate finish for added durability

and it meets the requirements of ISO7380

while the 3/8" length ensures a strong hold

These 10-12 x 1 1/4 Phillips flat self-tapping screws are made of 18-8 stainless steel and are fully threaded

This 1/2-13 x 1 1/2 slotted round machine screw is fully threaded and made of zinc

1/4-20 x 4 Phillips Flat Undercut Thread Cutting Screw Type F Fully Threaded Zinc BPT It is made of alloy1 4 20 x 4 Phillips Flat Undercut Thread Cutting Screw Type F Fully Threaded Zinc is a screw with a 1 4 inch diameter and a 20 threads per inch pitch. It has a Phillips drive recess and a flat undercut head. The screw is made of steel and has a zinc coating for corrosion resistance. It is a fully threaded screw, meaning that the threads extend the entire length of the screw. This type of screw is used in a variety of applications, including wood,