Product Description
Heavy-Duty N42 Industrial Neodymium Ring Magnet (109 LBS Pull Force)
Power your demanding commercial and industrial applications with our high-grade N42 3" OD x 1-3/4" ID x 1/2" Neodymium Ring Magnet. Sintered from premium NdFeB rare-earth magnetic alloys under strict ISO 9001 quality management standards, this heavy-duty ring magnet delivers an impressive 109 lbs of direct-contact vertical holding strength.
Featuring a durable Black Epoxy Coating, this magnet is specifically engineered to offer superior defense against corrosion, moisture, and physical chipping—making it the ideal choice for heavy assembly, motor prototyping, magnetic separation, and custom industrial fixtures.
Key Technical Specifications
- Outer Diameter (OD): 3 Inches (76.2 mm)
- Inner Diameter (ID): 1-3/4 Inches (44.45 mm)
- Thickness (THK): 1/2 Inch (12.7 mm)
- Magnetic Grade: Sintered Neodymium N42 (NdFeB)
- Vertical Holding Power: ~109 Lbs (Tested direct steel-to-magnet contact on 1/2" thick steel plate)
- Residual Flux Density (Br): 13,200 Gauss (1.32 Tesla)
- Coating / Finish: Black Epoxy Coated (Enhanced oxidation & corrosion protection)
- Magnetization Direction: Axially magnetized (Poles on the flat ring faces)
- Manufacturing Tolerance: Precision machined to ±0.002" (including coating)
- Max Operating Temperature: 176°F (80°C)
- Compliance: RoHS and REACH Compliant
Why Source Industrial Ring Magnets from Magnet4Sale?
- Uncompromising Quality: Manufactured under ISO 9001 quality standards to ensure exact dimensional tolerances (±0.002") and consistent magnetic field distribution.
- Superior Environmental Protection: The black epoxy finish acts as a tough protective barrier against ambient moisture, mild acids, and mechanical wear far better than basic nickel plating.
- B2B Factory-Direct Pricing: Volume discount tiers designed to accommodate everyone from individual engineers to large-scale OEM production lines.
Common Commercial & Industrial Applications
- Industrial magnetic separators, filtration units, and clean-up assemblies
- High-torque electric motor prototyping, generators, and actuators
- Heavy tool holding systems, shop fixtures, and magnetic jigs
- Scientific laboratory experiments and educational physics demonstrations
⚠️ Safety & Handling Precaution:
This is an extremely powerful industrial magnet with a 109 lb holding force. High pinching hazard. Handle with extreme care. Keep clear of electronic devices, magnetic media, pacemakers, and children. Sintered neodymium magnets are inherently brittle and can shatter if allowed to slam together.
