About This Product

These serrated flange bolts feature hexagonal heads and a flanged washer face that includes serrations on the side that makes contact with the surface. They are intended for use in situations where there is vibration, as the teeth engage with the surface, requiring more force to loosen the screw than to tighten it. In certain applications, the integrated washer removes the necessity for a lock washer or lock nut.

Key Features

• Single piece per package
• Made of steel
• Coated with zinc
• Size: 1/4 in. -20 x 1/2 in.
• Grade 5