Buy Neodymium Magnets With Hole Manufacturers & Factory

Premium Sintered NdFeB Technical Solutions with Precision Countersunk, Counterbored & Straight-Through Holes. Designed for Electric Vehicles, VCMs, Automation, and Aerospace.

Industrial Magnetics Selection

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B2B Sourcing Overview

Zhejiang Laysun Magnetics Ltd.

Your trusted partner in the world of advanced magnetic solutions. Since our inception in 1999, we have grown to become a national high-tech leader in manufacturing rare earth magnets, a testament to our unwavering commitment to excellence in this niche field.

Specializing in the development, research, production, and sales of high-performance rare earth NdFeB magnets, we cater to a diverse range of applications. Our magnets are integral to various sectors, including electric vehicles, industrial motors, computers, and consumer electronics, enhancing the efficiency and performance of these technologies.

Zhejiang Laysun Magnetics Factory Building

25+

Years Experience

100,000+

Factory Area (m²)

300+

Employees

5,000+

Annual Output (Tons)

Explore Our Production Excellence

Get a direct look into our state-of-the-art facility, automated production lines, and quality verification lab in action.

China Factory Advantages for Neodymium Magnets with Hole

Why sourcing your industrial magnetic assemblies directly from Laysun's Suining and Sichuan production hubs guarantees competitive superiority.

Rare Earth Supply Chain Integration

Located near direct raw material processing zones in China, we secure consistent supplies of PrNd (Praseodymium-Neodymium), Dysprosium (Dy), and Terbium (Tb), insulating our clients from wild global price swings.

Advanced CNC & Hole Machining

Sintered NdFeB is notoriously brittle. Our factory leverages customized multi-axis wire cutting, automatic countersink grinding machines, and diamond drill systems to secure precise hole placement within a ±0.05mm tolerance without cracking.

E-E-A-T Certified Quality Standards

Operating with API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, and IATF 16949 technical compliance. Each batch undergoes strict demagnetization curve analysis and salt spray testing before export.

Magnetic field simulation layout of neodymium magnets with hole

High-Performance Sintered NdFeB Technology

Neodymium magnets with holes (specifically countersunk or counterbored shapes) are critical elements in assembly configurations. By utilizing a non-magnetic screw (like stainless steel or brass), these magnets can be firmly fastened to surfaces. Designing and manufacturing these products demands precise engineering parameters.

Grain Boundary Diffusion (GBD)

Our GBD processes allow us to reach high coercivity grades (such as UH, EH, or AH) with minimal heavy rare earth additions, cutting costs while preserving high-temperature stability (up to 240°C).

Coating Durability Protocols

The inner wall of a machined hole is the most vulnerable spot for oxidation. We provide specialized multi-layer plating, including Ni-Cu-Ni, Black Epoxy, and IP68-rated rubber coatings to ensure 100% encapsulation.

Our Core Pillars & Global Vision

At Zhejiang Laysun Magnetics, we prioritize engineering-driven manufacturing solutions.

Core Values

Our ethos is built on four pillars - Quality, Credibility, Technology, and Innovation. These values are the cornerstones of our operations, guiding us in delivering products that not only meet but exceed the expectations of our clients.

Commitment to Innovation

Our relentless pursuit of technological advancement is not just about staying ahead of the curve; it's about setting new standards in the magnetic field. We are deeply committed to exploring and harnessing the potential of rare earth magnets, ensuring that our products not only serve current needs but also pave the way for future innovations.

Our Vision

To continue being a beacon of innovation and quality in the magnetic industry, empowering technologies of today and tomorrow with our cutting-edge magnetic solutions.

Localized Applications & Macro-Industry Solutions

How global industries integrate our high-performance NdFeB magnets with holes into their production assemblies.

EV Motor Application

Electric Vehicles (EVs)

Used heavily in EV drive motors, steering systems (EPS), and electric actuators. High-coercivity magnets with holes ensure robust mechanical anchoring in high RPM rotor environments.

Robotics Application

Robotics & Automation

Essential components for servo motors and articulated robotic joints, enabling high-density torque and precision movement profiles for industrial machinery.

Drone Application

Drones & Aerospace

Critical in high-performance brushless outrunner motors where weight-to-magnetic force ratio is paramount. Precision ring or segment structures ensure minimal cogging torque.

Power Tools

High-Torque Power Tools

Brushless motors for power drills and screwdrivers depend on neodymium magnets with secure attachment holes to endure persistent vibrations and thermal loads.

Consumer Electronics

Consumer Electronics

Integrated into laptop screens, smartphone arrays (MagSafe), voice coil actuators, and acoustic equipment requiring micro-sized magnetic elements.

Home Appliances

Home Applications

Powering inverter compressor motors in refrigerators and smart washing machines, significantly dropping electricity consumption and noise levels.

Global Sourcing & Location Infrastructure

Headquartered in Hangzhou, Zhejiang, China, with extensive production facilities in Sichuan, Laysun Magnetics operates dynamic supply offices worldwide to efficiently service industrial and tech accounts across Europe, North America, and Southeast Asia.

Our location strategically coordinates direct access to raw rare-earth deposits and major deep-sea shipping hubs in Ningbo and Shanghai, facilitating seamless global logistics and short delivery cycles.

Global Supply Hubs Map

Industrial Quality Certifications

Providing compliant and traceably documented products for tier-one global suppliers.

API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, TS/IATF 16949
ISO Quality Certificate Document
Compliance Certificate
SGS Environmental Standard compliance certificate

Why Choose Laysun

Uncompromising quality and strategic benefits designed for global B2B procurement managers.

Industry Leadership

Founded in 1999, Zhejiang Laysun Magnetics Ltd. has over two decades of experience in the industry.

Large-Scale Production

With a facility covering 100,000 square meters and an annual production capacity of 5000 tons.

Expert Workforce

With 300 employees, the company has a highly skilled and dedicated engineering and R&D workforce.

Quality & Innovation

Emphasizing values like Quality, Credibility, Technology, and Innovation to create market-leading NdFeB components.

Diverse Product Application

The rare earth magnets produced by Zhejiang Laysun Magnetics Ltd. are used in a wide range of fields.

Advanced Machinery

Equipped with slicing machines, multi-wire cutters, automatic chamfering systems, and advanced testing suites.

Technical FAQ & Purchasing Insights

Crucial answers to questions frequently asked by engineers and procurement professionals when buying neodymium magnets with holes.

Q1: What are the differences between countersunk (CSK) and counterbored (CBORE) holes in Neodymium Magnets?
A: A countersunk hole features a cone-shaped profile designed to sit flush with flat-head screws. A counterbored hole is flat-bottomed and wider, intended for standard cap screws or bolts. The structural profile of countersunk holes presents a slightly higher risk of cracking during raw machining, which is why Laysun uses diamond CNC grinders to eliminate micro-cracks inside the countersink slope.
Q2: Why do sintered neodymium magnets with holes crack easily, and how does Laysun prevent this?
A: Neodymium magnets (NdFeB) are ceramic-like and naturally brittle. Drill force or over-tightening during assembly can split the magnet. At Laysun, we optimize magnet crystal structure during sintering, apply precise diamond core drilling, and strongly recommend non-magnetic brass or stainless steel fasteners. Furthermore, using rubber or plastic washers significantly absorbs stress.
Q3: Which plating option is ideal for outdoor or high-corrosion installations?
A: For standard applications, our triple-plated Ni-Cu-Ni (Nickel-Copper-Nickel) provides adequate protection. For harsh, marine, or high-humidity outdoor settings, we recommend Epoxy coating (which passes a 96-hour salt spray test) or Rubber-coated magnets, which hermetically seal the magnet inside a protective, waterproof synthetic layer.
Q4: What is the minimum wall thickness required for a neodymium magnet with a hole?
A: Generally, we recommend that the wall thickness (distance from the edge of the hole to the outer edge of the magnet) should be at least equal to or greater than the diameter of the hole to preserve mechanical strength and prevent shattering during magnetic saturation or operational impact.
Q5: Can I get custom demagnetization (BH) curves for my order?
A: Yes. As an ISO 9001 and IATF 16949 factory, Laysun provides detailed batch inspection reports, including Hysteresisgraphs showing demagnetization curves at room temperature and target operating temperatures (e.g., 80°C to 200°C) upon client request.

Additional High-Quality Configurations

Select from specialized magnetic badges, pot assemblies, and high-capacity industrial lifting systems.

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OEM NdFeB Pot Magnet Style C

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China NdFeB Magnet Lifter 1000kg

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China Multi-Poles Ring Magnets

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Production Gallery & Facility Operations

Inside our 100,000 m² factory environment, showing high precision magnetic component pressing and packaging lines.

Laysun Factory Production Process
Industrial Magnet Processing

INQUIRY FOR PRICELIST & SAMPLES

Partner with Zhejiang Laysun Magnetics Ltd. Let our engineers evaluate your drawings for neodymium magnets with holes, countersinks, or custom configurations. Leave your email below, and we will get back to you within 24 hours.