#12 Internal Tooth Lock Washer Zinc Yellow 1 3/8 The screw has a hex

The screw has a hex head for easy driving and a 7 1/2-inch length

These 7/16-14 x 2 1/2 Hex Head Flange Non Serrated Frame Bolts are made of Grade 8 steel and have a black phosphate finish

The hot-dip galvanizing process provides superior corrosion resistance

It has a #3 head and a Grade 5 strength rating

#12 Internal Tooth Lock Washer Zinc Yellow 1 3/8 The screw has a hex#12 Internal Tooth Lock Washer Zinc Yellow is a type of washer that is used to prevent nuts and bolts from loosening due to vibration or other forces. It is made of zinc plated steel and has a serrated inner surface that bites into the surface of the bolt or nut, creating a secure hold. This washer is commonly used in automotive, construction, and other industrial applications where vibration is a concern. It is easy to install and can be used with a