4-40 x 1/2 Slotted Pan Thread Cutting Screw Type 23 Fully Threaded Zinc 5/16-9 The hex washer head allows

The hex washer head allows for easy installation and removal using a standard wrench or socket

The 5/16-18 x 3 1/2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc is a high-strength fastener designed for use in a variety of applications

which means that it has 18 threads per inch

They are designed for use in metal applications

4-40 x 1/2 Slotted Pan Thread Cutting Screw Type 23 Fully Threaded Zinc 5/16-9 The hex washer head allowsThe 4 40 x 1 2 Slotted Pan Thread Cutting Screw Type 23 Fully Threaded Zinc is a small, versatile screw that is commonly used in a variety of applications, including electronics, appliances, and furniture. It is made of zinc plated steel, which provides good corrosion resistance. The screw has a slotted drive, which allows it to be easily tightened or loosened with a screwdriver. The screw's pan head is slightly rounded, which helps to distribute the