4-40 x 1/4 Phillips Pan Internal Sems Machine Screw Fully Threaded Black Oxide APW188 This bolt is 2 1/2"

This bolt is 2 1/2" long and has a diameter of 5/16"

It has a 1/4-20 thread size

Its flat design provides a smooth surface for even load distribution

They are designed with a combination Phillips and slotted drive for easy installation

which means they can create their own threads in the material being fastened

4-40 x 1/4 Phillips Pan Internal Sems Machine Screw Fully Threaded Black Oxide APW188 This bolt is 2 1/2"The 4 40 x 1 4 Phillips Pan Internal Sems Machine Screw Fully Threaded Black Oxide is a small, versatile screw that is commonly used in a variety of applications. It is made of steel and has a black oxide finish, which provides corrosion resistance. The screw has a Phillips pan head, which allows it to be easily driven with a Phillips screwdriver. The internal sems feature means that the screw has a washer built in, which helps to prevent the screw