Technical Specifications
Dynamically linked to your selection & custom inputs
MaterialNdFeB Rare-Earth Neodymium
GradeN35 / N42 / N52
Coating / PlatingNi-Cu-Ni (Triple Nickel Plated)
MagnetizationAxial / Diametrical (Through Thickness)
Max Operating Temp80°C (176°F)
Available Sizes21 calibrated dimensions in stock
DimensionsOD6 x ID3 x 3mm Strong Ring
Industrial Rare-Earth NeodymiumR-6-3H-3-N35
Neodymium Ring & Donut Magnets
Configured Unit Price₹8.16
Neodymium Ring & Donut Magnets
Hollow donut-shaped permanent magnets with axial magnetization, engineered for passing shafts, guide rods, or mechanical pivots through the core. Widely used in loudspeakers, magnetic couplings, eddy current damping, and position encoders.
Stepped Specification Selection
Select standard parameters or configure custom dimensions below
Type Model Finish
Step 1 of 3
Step 2 of 3
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Custom Specification Worksheet
Provide your exact dimensions or custom pinout for a bespoke factory quotation.
Custom specifications are instantly added to your RFQ Worksheet.Quote on Request
Configured SKU:R-6-3H-3-N35
Unit Estimate:₹8.16Calibrated Size
Qty
WhatsApp RFQConfigured item added to your RFQ Worksheet!View Worksheet →
Direct Factory Dispatch
Dispatched securely from Kerala factory with tracking.
Quality Certified
Tested for continuous endurance and impact rating.
Complete Sizing & Specification Matrix (21 Calibrated Sizes)
Factory calibrated sizing for Neodymium Ring & Donut Magnets. Click "Select Size" to configure in the stepped selector above.
| Size & Specification | Factory SKU | Material Grade | Unit Price | Action |
|---|---|---|---|---|
| OD6 x ID3 x 3mm Strong Ring | R-6-3H-3-N35 | N35 / N52 Ni-Cu-Ni | ₹8.16 | |
| OD10 x ID3 x 3mm Strong Ring | R-10-3H-3-N35 | N35 / N52 Ni-Cu-Ni | ₹13.64 | |
| OD11 x ID5 x 5mm Strong Ring | R-11-5H-5-N35 | N35 / N52 Ni-Cu-Ni | ₹31.20 | |
| 20 x 3 3mm Hole Strong Ring | R-20-3H-3-N35 | N35 / N52 Ni-Cu-Ni | ₹50.40 | |
| 10mm x 5mm (Hole) x 5mm | R-10-5H-5-N35 | N35 / N52 Ni-Cu-Ni | ₹67.97 | |
| Ø32mm x d18 x 6mm Ferrite Ring | R-32-18H-6-F | N35 / N52 Ni-Cu-Ni | ₹99.12 | |
| OD29.5 x ID15.5 x 1.5mm | R-29.5-15.5H-1.50-N35 | N35 / N52 Ni-Cu-Ni | ₹102.00 | |
| Ø36mm x d18 x 8mm Ferrite Ring | R-36-18H-8-F | N35 / N52 Ni-Cu-Ni | ₹110.40 | |
| OD30 x ID12 x 2mm | R-30-12H-2-N35 | N35 / N52 Ni-Cu-Ni | ₹115.20 | |
| Ø45mm x d22 x 10mm Ferrite Ring | R-45-22H-10-F | N35 / N52 Ni-Cu-Ni | ₹141.60 | |
| 22mm OD x 11.5mm ID x 2.5mm thick N42 Ring | R-22-11.5H-2.50-N42 | N35 / N52 Ni-Cu-Ni | ₹152.93 | |
| Ø22mm x d11.5 x 2.5mm Strong Ring | R-22-11.5H-2.5-Nxx-Z | N35 / N52 Ni-Cu-Ni | ₹165.60 | |
| 22mm OD x 11.5mm ID x 2.5mm thick N52 Ring | R-22-11.5H-2.50-N52 | N35 / N52 Ni-Cu-Ni | ₹169.92 | |
| OD25 x ID6 x 5mm Strong Ring | R-25-6H-5-N35 | N35 / N52 Ni-Cu-Ni | ₹169.92 | |
| OD15 x ID7 x 5mm | R-15-7H-5-N52 | N35 / N52 Ni-Cu-Ni | ₹210.98 | |
| 22.5mm x 6.5mm (Hole) x 18mm thick., | R-22.5-6.5H-18-N35 | N35 / N52 Ni-Cu-Ni | ₹594.72 | |
| 28mm x 10mm x 12.50mm | R-28-10H-12.5-N35 | N35 / N52 Ni-Cu-Ni | ₹672.00 | |
| OD40 x ID20 x 10mm | BCNT-MAG-PM-679 | N35 / N52 Ni-Cu-Ni | ₹1296.00 | |
| OD35 x ID10 x 10mm | R-35-10H-10-N52 | N35 / N52 Ni-Cu-Ni | ₹1704.00 | |
| OD39.5 x ID5 x 12.50mm | R-39.5-5H-12.5-N35 | N35 / N52 Ni-Cu-Ni | ₹1896.00 | |
| OD50 x ID10 x 12mm Strong Ring | R-50-10H-12.5-N52 | N35 / N52 Ni-Cu-Ni | ₹2398.80 |