MUTUACTOR 2PC 100Ib Strong Neodymium Round Magnets with 1/4 Female Thread , Heavy Duty Round Magnets,Powerful Magnetic Removable Mounting for Lighting,Tools, Equipment with Bolt: Amazon.com: Industrial & Scientific
Amazon.com: Master Magnetics Round Base Magnet - Magnetic Fastener/Magnets with Holes, 2.04” Diameter, 1.25” Total Height, Holds 35 Pounds (Box of 5) RB50B3NX5 : Industrial & Scientific
Neodymium Round Bases 249-lb | CMS Magnetics, Inc
Magnetic eye bolt | Pot Magnets | AMF Magnets – AMF Magnets USA
Threaded Neodymium Magnet With Bolt, Pot Magnets With Threaded Stud | Leyuan
135mm x 28mm Ferrite Pot Magnet with 57mm steel boss & M14 eyelet bolt
GN 251.6 Steel Stop Bolts, with Retaining Magnet | JW Winco Standard Parts
Strong Neodymium Eye Bolt Hook Fishing Cup Magnets 2.5 inch 270 LB - Applied Magnets - Magnet4less
Ceramic Round Base Magnet w/ Bolt, Nuts and Wingnut – Master Magnetics
Super Strong Neodymium Fishing Magnets Heavy Duty Rare Earth Magnet With Countersunk Hole Eyebolt For Salvage Magnetic Fishing - Magnetic Materials - AliExpress