The 3/8” washers for 1/4" magnets are countersunk for use with flat head screws and are packaged with ten #4 x 1/2” screws.
The 7/8” washers for 3/4” magnets are countersunk for use with flat head screws and are packaged with six #10 x 5/8” screws.
The 1-1/8” washers for 1” magnets are countersunk for use with flat head screws and are packaged with six #10 x 5/8” screws.
Despite their small size, rare earth magnets are recognized for their superior magnetic force and holding power.
These cups are all countersunk for use with flat head screws and are counter-bored to fit the rare-earth magnets we sell.