#3 Internal Tooth Lock Washer Zinc 0.5 It is 3 1/2 inches

It is 3 1/2 inches long and has a 1 1/4-12 thread size

ensuring longevity in various outdoor applications

The indented hex flange head offers a secure grip and prevents the screw from turning in the wood

The 3/8-16 x 7 1/2 Hex Tap Bolt Grade 5 Fully Threaded Zinc is a high-quality fastener designed for a variety of applications

and other demanding environments where resistance to corrosion and strength are crucial

#3 Internal Tooth Lock Washer Zinc 0.5 It is 3 1/2 inches#3 Internal Tooth Lock Washer Zinc is a thin, disc shaped 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 bite into the surface of the screw or bolt, creating a secure hold. Internal Tooth Lock Washers are commonly used in automotive, aerospace, and industrial applications where vibration is a concern. They are made of zinc