1/4-20 x 7/8 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded Zinc M16-2.0 It has a hexagonal shape

It has a hexagonal shape with a 1/4-20 thread size and a jam nut design that prevents loosening under vibration

The 14-10 x 4 Square Pan Self Tapping Screw Type A Fully Threaded Zinc is a versatile fastener designed for various applications

- Ribbed neck for improved holding power

The washers are designed to work together to distribute the load evenly and prevent loosening due to vibration or movement

1/4-20 x 7/8 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded Zinc M16-2.0 It has a hexagonal shape1 4 20 x 7 8 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded Zinc is a fastener with a diameter of 1 4 inch and a length of 7 8 inch. It has a six lobe flat thread design, which provides a strong hold in metal and wood. The Type F head has a flat top and a countersunk bottom, which allows it to be driven flush with the surface of the material. The fully threaded design provides maximum holding power. The zinc coating provides corrosion