Circular Sinking Hole Magnet Neodymium Iron Boron 15mm Diameter with Multiple Thickness Options

This circular sinking hole magnet is a practical fastening solution for applications where a standard flat magnet cannot be used. Its neodymium iron boron construction delivers reliable magnetic strength in a compact round format. The central mounting hole allows for secure attachment to surfaces, making it suitable for jigs, fixtures, cabinets, and other holding tasks. With three thickness options available, you can select the right magnet for your specific gap or load requirement.

Features and Construction

Built from neodymium iron boron with a density of 7.5, this magnet offers strong magnetic performance relative to its size. The circular design with a sinking hole enables flush or near-flush installation.

Material and Build

The magnet is made from neodymium iron boron (NdFeB), a rare earth magnetic material known for its high magnetic energy product. This material allows the magnet to exert a strong holding force despite its compact dimensions. The maximum operating temperature is 80 degrees Celsius.

Size and Practical Fit

Each magnet has a 15mm diameter and is available in three thickness variants: 3mm, 4mm, or 5mm. This range of thicknesses lets you match the magnet to the depth of your recess or the holding strength you require. If none of these options suit your project, additional sizes can be requested via customer service.

Uses and Placement

This magnet is designed for situations where a standard adhesive-backed or plain disc magnet would not sit correctly. The central hole allows for screw or bolt mounting, making it a reliable choice for both temporary and permanent setups.

Event or Professional Use

Ideal for trade show displays, exhibition stands, and workshop jigs where components need to be held securely in place. The sinking hole design means the magnet can be countersunk for a cleaner finish without protruding above the surface.

Everyday Home Use

Suitable for kitchen cabinet catches, tool holders, or magnetic closures on small boxes and frames. The neodymium iron boron material provides enough grip for moderate-weight items while staying compact enough for domestic applications.

Benefits and Buying Value

This magnet offers a straightforward solution for holding tasks that require a mounting hole. Its neodymium iron boron construction delivers consistent performance, and the multiple thickness options reduce the need for custom parts.

Reuse and Low Maintenance

Being a solid magnet with no moving parts, it requires no maintenance under normal use. It can be reused across multiple projects simply by transferring it to a new location with the appropriate fastener.

Why Choose This Product

The combination of a 15mm diameter, neodymium iron boron material, and sinking hole design makes this a versatile component for both hobbyists and professionals. The availability of three thicknesses and the option to request custom sizes adds flexibility for varied mounting requirements.