CMS magnetics Powerful Cup Magnets 100 LB Pull Power Mounting Magnets in Large 3.2" Diameter w/Countersunk Hole Pot Magnets RB80 3 Pieces

This round base magnet, or cup magnet, is made of grade 8 ceramic magnet encased and embedded inside of a steel cup.The steel cup is chrome plated for rust proof.The magnet and the steel cup form a magnetic circuit so the holding force is quadruped to 100 LBS with direct touch to a 3/4 thick low carbon steel plate.The steel cup also provides protection to the magnet so it becomes much more durable, allowing for use in more demanding applications.The outer diameter of the magnet is 3.2 (80 mm) with 0.27 (6.5 mm) center hole (for a #8 bolt).The total thickness is 0.39 (10 mm).This magnet can be used as magnetic holding, lifting, antenna mounting, positioning, retrieving and much more.Round base magnets are also known as cup magnets.The product quality is assured by ISO 9001 quality control systems.'