N42 Neodymium Rubber Coated Countersunk Magnet - 16.6mm dia x 5.1mm thick x 4.2mm hole - 4.18lbs Pull
Neodymium Countersunk Block Magnet
Amazon.com: Round Disc Magnets 3/8x1/8 - Magnetic Countersunk Ring 10x3mm Screw Hole Size #4 Crafting Holder Door Cabinet Fastener Closure Mechanisms (36 Pack) : Industrial & Scientific
Neodymium Disc Countersunk Hole Magnets, 1.26 inch x 0.2 inch Strong Permanent Rare Earth Magnets with Screws - Pack of 12: Amazon.com: Industrial & Scientific
1/2 x 1/2 Inch Neodymium Rare Earth Countersunk Ring Magnets N42 (8 Pa | totalElement