5/16-18 x 2 1/2 Phillips Flat Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel NF5C The #10 Internal Tooth Lock

The #10 Internal Tooth Lock Washer Black Oxide is a high-quality washer that is designed to prevent nuts and bolts from loosening due to vibration or other forces

The screw has a Phillips flat head and a fully threaded body

#2 Regular (medium) Split Lock Washer Zinc and Bake is a common type of lock washer used in a variety of applications

These 10-16 x 1 1/4 inch

and a slotted drive for easy installation

5/16-18 x 2 1/2 Phillips Flat Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel NF5C The #10 Internal Tooth LockThe 5 16 18 x 2 1 2 Phillips Flat Thread Cutting Screw Type F is a fully threaded screw made of 18 8 stainless steel. It has a Phillips drive and a flat head. The screw is 2 1 2 inches long and has a diameter of 5 16 inches. It has a thread pitch of 18 threads per inch. The screw is designed for use in metal applications and is self tapping, meaning it can create its own threads in the material it is being driven into.