This wood beam hanger only uses one bolt. It has teeth on top of the hanger to prevent it from turning after installation. It is a very strong hanger and can be used for both commercial and residential use. It has a .51" ID oil light bearing and axle bolt with lock tight nut and accepts a 12 mm bolt.
Use on wooden swing frames. It accepts a 12 mm bolt not included. This product should last 2 years in harsh conditions and up to 5 years in optimal conditions. Some conditions may require replacement sooner. Tensile strength is 9900 lbs. Sold as set of 2.