5/16-20 x 1 Slotted Indented Hex Washer Self Tapping Screw Type A Fully Threaded Zinc CNPF It features a square drive

It features a square drive head for easy installation and a flat head that sits flush with the surface of the wood

It is fully threaded and has a zinc yellow finish

8-15 x 1 Phillips Flat Self Tapping Screw Type A Fully Threaded Zinc are designed for use in a variety of applications

The combination Phillips and slotted drive allows for easy installation using either a Phillips head screwdriver or a flathead screwdriver

The M16 thread diameter and 30 mm length ensure a secure and reliable connection

5/16-20 x 1 Slotted Indented Hex Washer Self Tapping Screw Type A Fully Threaded Zinc CNPF It features a square driveThe 5 16 20 x 1 Slotted Indented Hex Washer Self Tapping Screw Type A Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications. It features a slotted indented hex washer head that provides a secure grip during installation and prevents slippage. The self tapping design eliminates the need for pre drilling, making it easy to install in a variety of materials. The fully threaded shank ensures maximum holding