Industrial actuator high strength Neodymium rectangular Block Magnets with holes

1. Product Overview & Application Scenarios

Perfect for both commercial and personal use, these  industrial actuator  thermal stability high strength Neodymium rectangular Block Magnets with holes deliver a powerful and dependable magnetic grip, along with the convenience of simple screw installation. They are extensively utilized in production and assembly settings, where they fasten metal parts, mount fixtures, and offer stable anchoring points for machinery. These industrial actuator  heat resistant high strength permanent Neodymium rectangular Block countersunk Magnets’ resilience make them especially valuable in sectors such as construction and automotive, where they firmly position heavy components and guarantee stable fastenings.

For household applications, these precision customized industrial actuator premium qualitt corrosion resistant high strength Neodymium rectangular Block Magnets with holes are excellent for crafting magnetic door holders, reinforcing garden gates, or neatly arranging tools in a workshop. Their blend of power, longevity, and adaptability ensures they are essential for countless tasks, from industrial to everyday use.

2. Technical Specifications

- Product Name: Industrial actuator high strength Neodymium rectangular Block Magnets with holes

- Magnet Grade: N42 (Br ≥12.9 kGs, Hcj ≥12 kOe)  

- Dimension: 30mm x 20mm x 9mm x (4.5mm x 4.5mm Countersunk Holes)  

- Dimensional Tolerance: +/-0.05 

- Operating Temperature: ≤80°C (High-temp versions available)  

- Density: ≥7.5 g/cm³  

- Surface Magnetic Field: 3,200 Gs  

- Magnetic Flux : 2.0 mWb  (Fluxmeter-tested)  

3. Surface Treatment & Coating Technology

To enhance  these customized industrial actuator strong magnetic force high strength Neodymium rectangular Block countersunk Magnets’corrosion resistance, surface quality, and magnetic stability, the following treatments are used:

Edge Reinforcement: Laser cladding with nickel-based alloy at magnet seams (prevents electrochemical corrosion)

Edge Rounding: Reduces magnetic field distortion

Default Coating: Triple layer Ni-Cu-Ni (customizable)

Standard Thickness: Ni (3μm) + Cu (5μm) + Ni (4μm)

Optional Coatings: Gold or silver plating for better conductivity and corrosion resistance

Coating Benefits:

Salt spray resistance and improved oxidation durability

Higher surface hardness and scratch resistance

Enhanced gloss, suitable for exposed parts

Image Measurement System: High-res cameras and algorithms conduct non-contact 2D measurements, especially for complex or irregular shapes, ensuring efficiency and objectivity in mass production. 

Automated Intelligent Inspection: High-speed cameras with AI algorithms detect and reject defects (e.g., cracks, scratches, discoloration) and dimensional anomalies, improving yield and reducing human error.

Reliability Testing

Impact & Vibration Test: Simulates shipping and usage conditions to ensure operational stability.

Constant Temperature & Humidity Test: Performed under 85°C and 85% RH for 96–500 hours. Performance and appearance are compared before and after testing.

Applications

Electric Motors & Generators
Application: Precision-engineered magnets are employed in stators, rotors, and brushless DC motors to enhance magnetic flux density, efficiency, and torque performance.

Consumer Electronics
Application: High-performance neodymium magnets are integrated into speakers, haptic systems, vibration motors, and sensors, contributing to compact design and reliable functionality.

Packaging & Transportation

Defect Elimination: 100% inspection using calipers, projectors, visual checks, and automated systems to reject cracked, chipped, oxidized, or coated defective magnets.

Uniform Magnetization & Structured Arrangement: Magnets are uniformly magnetized and arranged for optimal packaging based on customer requirements to ensure performance and facilitate automated assembly.

Vacuum Sealed Packaging: Multi-layer vacuum sealing with moisture barriers, desiccants, or nitrogen, prevents corrosion and magnetic interference during storage and shipping.

Customized Outer Packaging: Shock-proof, moisture-resistant, and anti-magnetic leakage packaging (e.g., multilayer cartons, plastic boxes, metal shielding) ensures compliance with international logistics standards. Each box includes a product list, labels, and a tracking code

We understand logistics is more than just transport — it's about your commitment and customer satisfaction. Our solutions offer:

● Global logistics support

● End-to-end visual tracking

● Multiple layers of transport safety

● One-on-one customer service for tailored shipping plans

With our reliable land, sea, and air logistics network, we empower your business to go further and soar higher.

With deep expertise in magnetic materials, we deliver solutions for industries like EVs, smart manufacturing, and electronics. Our strong technical capabilities and product consistency have earned the trust of customers worldwide.

Usage Precautions？

● Handle gently: Avoid impacts/drops (brittle material).

● Prevent pinching: Slide magnets apart—do not pry.

● Polarity check: Ensure proper installation to prevent malfunctions.

● Avoid moisture/acids: Store in dry, mild environments.

● Keep away from sensitive devices, such as hard drives, IC cards, and pacemakers.

Customization & Services

● Custom magnet size, shape, and coating (layers, thickness, color)

● Tailored magnetization direction and field strength

● Laser engraving service for logos or serial numbers

● Packaging and suction force testing for special applications

Please contact us for free samples, magnet customization solutions, and MSDS RoHS, ISO 9001, QC080000, IATF 16949, ISO 14001, ISO 27001, or other relevant certificates!

We’re here to help!

 Phone/WhatsApp/WeChat: +86 180 3822 5893

 Email: sales@jinconn.com

 Website: www.jinconnmagnet.com

Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City,