4-40 x 5/16 Phillips Flat Undercut Machine Screw Fully Threaded Black Zinc M6-1.00 this screw is ideal for

this screw is ideal for a wide range of fastening applications

The case hardening process enhances their durability and resistance to wear

It is fully threaded and has a hex head for easy driving

Constructed from high-quality zinc

They are also suitable for use in marine environments due to their corrosion resistance

4-40 x 5/16 Phillips Flat Undercut Machine Screw Fully Threaded Black Zinc M6-1.00 this screw is ideal forThis 4 40 x 5 16 Phillips flat undercut machine screw is fully threaded and coated in black zinc for corrosion resistance. It has a Phillips drive and a flat undercut head, which provides a flush, low profile finish when countersunk. This screw is commonly used in a variety of applications, including electronics, appliances, and furniture. It is made of steel and meets ASTM standards for quality and durability.