D16 D20 D25 D32 D36 D42 D48 D60 Sintered NdFeB Round Pot Magnet Countersunk Hole Permanent Magnetic Mount for Welding Holding

    Counterbore pot magnets have become the most trusted rigid mounting magnetic solution for modern industrial machinery, automation systems and precision fixture applications. Unlike ordinary magnets that depend on fragile glue bonding or complicated auxiliary brackets, these sink-hole-style neodymium cup magnets adopt integrated mechanical mounting design, enabling firm screw locking and flush installation. This unique structural advantage completely solves common industrial problems such as magnetic displacement, falling off and unstable adsorption caused by long-term equipment vibration, making them the preferred upgrade replacement for traditional fixed magnets.

    Engineered with high-performance sintered NdFeB magnetic core and thickened seamless steel cup housing, our counterbore pot magnets form a closed magnetic circuit that greatly concentrates magnetic flux on the working surface. Compared with ordinary disc and block magnets, they deliver stronger holding force, lower magnetic leakage and more stable magnetic consistency. The sturdy steel shell also provides excellent anti-collision and anti-crack protection, effectively avoiding magnet damage during assembly, disassembly and long-term mechanical operation, greatly extending service life in harsh industrial environments.

    Designed with precision pre-machined counterbore sink holes, these industrial pot magnets support standard flat-head screw flush mounting. After installation, the screw head is completely hidden without protruding parts, ensuring a flat and tidy equipment surface and zero interference with surrounding mechanical components. The rigid screw-locked structure provides outstanding vibration resistance and tensile stability, maintaining accurate positioning continuously in high-frequency operation, repeated movement and heavy-load fixing scenarios.

    Each counterbore pot magnet is finished with premium nickel plating as standard to resist rust, oxidation and mechanical wear. Optional epoxy waterproof coating and high-temperature resistant magnet grades allow stable operation in humid, outdoor, high-heat and salt-spray working conditions, covering almost all industrial application environments. With multiple standard styles in stock and full custom size, hole specification and surface treatment support, our magnets can perfectly match diverse equipment design and installation requirements.

    Ideal for CNC machining fixtures, automation equipment bases, workshop tool holders, mechanical testing instruments, advertising bracket fixation and mold auxiliary positioning. Whether you need small-batch prototype verification or large-scale mass production supporting, our counterbore pot magnets provide high-stability, high-precision and cost-effective industrial magnetic mounting solutions, helping global manufacturers improve assembly efficiency and equipment running stability.