8-18 x 5/8 Slotted Indented Hex Washer Self Drilling Screw Full Thread Zinc & Bake 13NCUPR These 4-40 x 1/2 Phillips

These 4-40 x 1/2 Phillips flat 100º machine screws are fully threaded and feature a black oxide finish

This nut is ideal for use in applications where vibration or shock is present

The plain center design facilitates easy installation and removal

It has a 3/8-inch diameter and a 16 threads per inch pitch

They are designed to be used with M5 bolts and have a thread pitch of 0

8-18 x 5/8 Slotted Indented Hex Washer Self Drilling Screw Full Thread Zinc & Bake 13NCUPR These 4-40 x 1/2 PhillipsThese 8 18 x 5 8 Slotted Indented Hex Washer Self Drilling Screws are designed for use in a variety of applications. They feature a slotted indented hex washer head and a self drilling tip, which eliminates the need for pre drilling. The screws are full thread, providing a strong hold in a variety of materials. They are made of zinc and bake, which provides corrosion resistance and durability. These screws are ideal for use in metal, wood, and plastic.