#4 Internal Tooth Lock Washer Zinc WIB The bolt's full threading allows

The bolt's full threading allows for maximum engagement

These bolts have a heavy hex head and a length of 2 inches

With its durable construction and corrosion resistance

They are made of steel and have a hex head

5/16" x 4" Hex Lag Screw Zinc Gimlet Point is a high-quality fastener designed for heavy-duty applications

#4 Internal Tooth Lock Washer Zinc WIB The bolt's full threading allows#4 Internal Tooth Lock Washer Zinc is a thin, circular washer with teeth on its inner diameter. It is designed to be placed under the head of a screw or bolt to prevent it from loosening due to vibration or other forces. The teeth of the washer bite into the surface of the screw or bolt, creating a secure hold. Internal tooth lock washers are made of zinc plated steel, which provides corrosion resistance and durability. They are commonly used in