4-40 x 5/16 Phillips Flat Thread Cutting Screw Type 23 Fully Threaded Zinc WM188B while its hexagonal head enables

while its hexagonal head enables convenient tightening with a wrench or socket

The indented hex washer head provides a secure grip for tightening and prevents the screw from slipping

The 5/16-20 x 2 Phillips Flat Self Tapping Screw Type A Fully Threaded Zinc is a versatile fastener designed for a wide range of applications

5 x 8 ISO7380 Metric 6-Lobe Button Head Cap Screw Class 10

4-40 x 5/16 Phillips Flat Thread Cutting Screw Type 23 Fully Threaded Zinc WM188B while its hexagonal head enablesThe 4 40 x 5 16 Phillips flat thread cutting screw type 23 is a fully threaded screw with a zinc coating. It has a #4 thread size and a length of 5 16 inches. The screw is made of steel and has a Phillips drive. The flat thread cutting screw is designed to cut its own threads into the material it is being driven into. This type of screw is often used in metal or plastic applications. The zinc coating provides corrosion resistance.