- Home
- Neodymium Magnets
- Sourcing
- Custom Neodymium Magnets
Sourcing
Custom Neodymium Magnets for OEM RFQ
Submit drawing-based NdFeB requirements and get supplier-qualified RFQ support.
Published on 2026/02/14
Last updated on 2026/02/14
Highlights
- Drawing-first RFQ workflow for custom NdFeB parts
- Supplier feasibility checks on grade, tolerance, and magnetization
- Compliance and inspection documentation requests before PO
- Prototype-to-production planning with lead-time caveats
Product Gallery

Disc magnets in various sizes
Overview
This page helps procurement and engineering teams move from partial custom specs to quote-ready supplier inquiries with clearer assumptions on feasibility, quality documents, and lead-time risk.
Customization Options
- Part drawing with critical dimensions, datums, and tolerance priorities
- Target grade with operating and peak temperature profile
- Coating and corrosion expectations based on application environment
- Magnetization direction, polarity orientation, and fixture constraints
- Assembly notes, retention method, and mating-component limits
- Volume split by stage (sample, pilot, production) and target milestones
- Packaging, labeling, and destination market requirements
Sourcing Support
- Supplier shortlist can be filtered by geometry difficulty, tolerance class, and magnetization complexity before RFQ launch.
- RFQ rounds can include follow-up on tooling assumptions, fixture needs, and inspection boundaries to reduce quote mismatch.
- Quote normalization can cover MOQ, sample scope, tooling ownership, and acceptance criteria to support side-by-side review.
- Incomplete inputs are accepted first, then closed with a staged checklist so procurement can move without waiting for perfect specs.
- Export-oriented projects can align packing, labeling, and logistics constraints early to reduce late-stage surprises.
Compliance Notes
- RoHS/REACH declarations and material-related documents can be requested when supplier scope supports them.
- Inspection expectations can be aligned across dimensional, magnetic, and visual acceptance checkpoints.
- Traceability requirements such as lot marking and packing labels can be confirmed before PO release.
Lead Time Notes
- Lead time depends on geometry complexity, coating queue, tolerance class, and magnetization fixture availability.
- Prototype and pilot timelines are confirmed after supplier feasibility review, not only catalog assumptions.
- Urgent requests are evaluated with technical-risk visibility to reduce schedule slippage during production transfer.
Need a quote-ready specification review?
Share your drawing, grade target, coating, and quantity. We align supplier feasibility before full RFQ submission.
RFQ Checklist
- Part drawing with critical dimensions and tolerance priorities
- Target grade with operating and peak temperature profile
- Coating, corrosion, and environment exposure expectations
- Magnetization direction, polarity orientation, and assembly notes
- Volume split by stage (sample, pilot, production) and target milestones
- Required documents (compliance, inspection, packaging labels)
- Destination market and preferred shipping mode
Reference Guides
Procurement-ready guides covering grades, coatings, QC, and RFQ prep.
Coatings & Corrosion
Corrosion protection for rare earth magnets
Environment-based guidance for selecting coatings and corrosion controls.
Manufacturing & Quality
Inspection and testing for NdFeB magnets
How to define inspection scope, measurement methods, and acceptable criteria.
Manufacturing & Quality
Machining and tolerances for NdFeB magnets
What tolerances are realistic for NdFeB and how to avoid design rework.
FAQ
What file formats do you accept?
PDF and CAD formats such as DWG or STEP are preferred. Include critical dimensions and tolerances.
Can you support custom magnetization patterns?
Yes. Provide magnetization direction or pattern requirements. Suppliers confirm feasibility per drawing.
Do you support sample orders?
Sample and pilot orders can be coordinated depending on supplier availability.
How should I specify tolerances and inspection?
List critical dimensions and inspection requirements in your drawing. Suppliers confirm achievable tolerances.
Case studies
Subsea / Marine - Magnetic coupling for ROV thrusters
Magnetic Assembly for Underwater ROV Thruster Coupling
Custom magnetic coupling assembly using N42 NdFeB ring magnets with epoxy coating for subsea ROV thruster applications.
Medical Devices - Rotary encoder assemblies
Micro Ring Magnets for Medical Device Encoder Assembly
Precision micro ring magnets (Ø6 × Ø3 × 2mm) with parylene coating for implantable medical device rotary encoders.
Quote Calculator
Estimate lead time and prepare a precise RFQ.
Buyer feedback
Recent RFQ and sourcing coordination highlights.
The RFQ response included grade and coating options with clear lead times.
Marcus Reed
Procurement Manager - EV Motor OEM
Drawing review was fast and the quote matched our tolerance targets.
Ana Soto
Sourcing Lead - Industrial Automation
Inspection data and material declarations were available when requested.
Ravi Menon
Quality Engineer - Appliance Supplier
Trusted by buyer segments
OEM and industrial teams sourcing NdFeB and SmCo magnets.
Request a Quote
RFQ checklist
- Dimensions and shape (include drawing if possible).
- Grade and operating temperature range.
- Coating or surface treatment requirements.
- Quantity, target price, and delivery schedule.
- Tolerance, magnetization direction, and application notes.
Spec sheet downloads
Reference assets to speed up RFQ prep. Confirm specs before ordering.

NdFeB spec sheet (reference)
Grades, coatings, and RFQ checklist for NdFeB magnets.

SmCo spec sheet (reference)
High-temperature SmCo summary and RFQ checklist.

Ferrite spec sheet (reference)
Cost-optimized ferrite basics and RFQ checklist.

Alnico spec sheet (reference)
High-temperature Alnico grades and RFQ checklist.

Bonded NdFeB spec sheet (reference)
Bonded NdFeB process notes and RFQ checklist.

Flexible rubber magnet spec sheet (reference)
Flexible magnet tape basics and RFQ checklist.

Magnetic assembly spec sheet (reference)
Pot magnet assembly fundamentals and RFQ checklist.
Trust & Compliance
Certifications and QC checkpoints aligned to industrial procurement.
ISO 9001
Quality management system
RoHS
Restricted substances compliance
REACH
SVHC compliance on request
Factory Capability
- Custom shapes and grades per drawing
- Tolerances confirmed by supplier QC
- Coating options: Ni-Cu-Ni, Zinc, Epoxy
QC Process
- Raw material verification and grade checks
- Dimensional inspection to critical tolerances
- Surface and coating integrity inspection
Get a Quote
Send your drawing, grade, coating, and quantity. We coordinate a supplier quote and follow up with confirmed specs.
Product data is sourced from partner suppliers and confirmed per order.
Related Pages
Neodymium Magnets
Category hub
Neodymium Bar Magnets
Product
Neodymium Block Magnets
Product
Neodymium Disc Magnets
Product
Neodymium Ring Magnets
Product
Neodymium Magnet Manufacturer Sourcing for OEM Teams
Sourcing
NdFeB Magnet Supplier Sourcing for OEM Buyers
Sourcing
NdFeB Magnet Grades: Selector Tool and Evidence Report
Educational
Sintered NdFeB Magnets for Performance-Critical Assemblies
Product
NdFeB Magnets for Sale for Industrial Buyers
Sourcing
China Magnet Suppliers Sourcing for Industrial Buyers
Sourcing