#10 Internal Tooth Lock Washer Zinc Yellow 8-32 064-105 This 7/16-14 x 2 1/2"

This 7/16-14 x 2 1/2" Grade 5 fully threaded zinc carriage bolt is designed for heavy-duty applications

5 x 16 DIN 6921 8

The nut is also non-serrated

#10 External Internal Tooth Combination Lock Washer Zinc Yellow

#10 Internal Tooth Lock Washer Zinc Yellow 8-32 064-105 This 7/16-14 x 2 1/2"#10 Internal Tooth Lock Washer Zinc Yellow is a type of washer used to prevent nuts and bolts from loosening due to vibration or other forces. It has a toothed inner surface that bites into the mating surface, creating a secure hold. The zinc yellow finish provides corrosion resistance and a bright, attractive appearance. This washer is commonly used in automotive, construction, and other industrial applications where vibration is a concern.