Strong Magnetic N33-N35sh Countersunk Neodymium Permanent Rare Earth NdFeB Motor Round Ring Magnet for Industrial

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Product Description

Basic Info. & Specifications
Model NO.:Ring Magnet
Coating:Epoxy, Nickel, Zinc, Gold, Silver etc.
Working Temp.:Max 80-230°C
Grade:N35-N54, N35M-N52M, N33H-N50H, etc.
Tolerance:+/-0.05mm
Capacity:25 Tons Per Month
Company Profile
Production Facility

We are a leading manufacturer of hot-pressed NdFeB magnetic rings, Samarium Cobalt, and rare earth permanent magnet (REPM) products. Established in 2017, our factory spans over 15,000 square meters with over 200 dedicated employees.

  • Main Products: NdFeB Magnets, Samarium Cobalt, AlNiCo, Motor Magnets.
  • Delivery: 15 workdays (Off-season) / 25 workdays (Peak Season).
Product Description

Our permanent magnet materials provide excellent performance and cost-efficiency. They are widely utilized in motors, automotive systems, artificial intelligence, robotics, and medical equipment. We offer custom shapes including Squares, Cylinders, Rings, Arcs, and special geometries.

Main Products Gallery
Magnetic Properties & Grades
Grade Br (T) Hcj (kA/m) Hcb (kA/m) (BH)max (kJ/m³) Max Temp.
N351.17-1.22≥955≥868263-28780°C
N421.28-1.32≥955≥923318-34280°C
N521.42-1.47≥876≥836390-42280°C
35M1.17-1.22≥1114≥868263-287100°C
35H1.17-1.22≥1353≥868263-287120°C
35SH1.17-1.22≥1592≥876263-287150°C
Magnetization Direction & Application
Magnetization Direction
Application Cases

Approximately 60% of our products are integrated into permanent magnet motors and generators, including elevator motors, gearless traction machines, servo motors, and Flux motors.

Certifications
ISO9001
RoHS
REACH
Manufacturing & Shipping
Inspection Equipment
Packing and Shipping
Why Choose Us?
Our Strengths
  • Direct permanent magnet factory with independent production processes.
  • Specialized R&D team and on-site engineering support.
  • Fastest delivery times within 15 workdays.
  • 100% complete product inspection provided.
  • Custom sample production available for any quantity.

Frequently Asked Questions

What materials are your magnets made of?
We specialize in Neodymium Iron Boron (NdFeB), Samarium Cobalt (SmCo), and AlNiCo permanent magnet materials.
What is the standard lead time for an order?
Standard production typically takes 15 workdays during off-season and up to 25 workdays during peak periods.
Can you provide custom shapes and tolerances?
Yes, we provide custom shapes like arcs, rings, and sectors with precision tolerances up to +/-0.05mm.
What types of coatings are available for NdFeB magnets?
We offer a variety of coatings including Nickel, Zinc, Epoxy, Gold, Chromium, and Silver to enhance corrosion resistance.
Are your products certified for international markets?
Absolutely. All our products are compliant with Reach, RoHS, and ISO9001 quality management standards.
Do you support small quantity sample production?
Yes, we have a specialized sample production line to accommodate small quantity requests for testing and R&D.

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