How To Use Maggie - Radial Magnets

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True Radial Magnets Sensor Magnets Ring Magnets Disk & Rod Magnets Block & Bar Magnets Pot (Mounting) Magnets Halbach Array Ceramic / Ferrite Magnets Alnico Magnets Magnetic Hooks Door Magnets Fabric / Curtain Magnets Fishing Magnets Sold @ Digi-Key

Quick Paths

Browse All MagnetsFull catalog, 400+ sizes in stock Search Our InventoryFind by dimensions or part number Large Quantity OrdersGuaranteed best pricing & lead times RFQ BuilderSpec one part properly, field by field Bulk RFQ — Paste Your ListDrop in a BOM or size list, get one quote

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Major Industries Served

Magnets for Medical DevicesBiocompatible coatings, tight tolerances, full traceability Magnets for EV & AutomotiveSensor & motor magnets, PPAP / IATF capability Magnets for Industrial AutomationPosition sensing, encoders, actuators Robotics & CobotsJoint motors, encoders, brakes, magnetic end effectors Wind & Renewable EnergyGenerator segments, offshore duty, supply exposure

Process & Heavy Industry

Food Processing & SeparationSeparator elements, sanitary duty, HACCP validation Pumps, HVAC & Magnetic CouplingsSealless drives, containment shells, torque transfer Oil & Gas DownholeHPHT service, samarium cobalt, shock and vibration Material Handling & LiftingSwitchable circuits, holding force, ASME B30.20

By Application

Electric Motors & Rotors Holding & Latching Magnetic Separators Levitation & Bearings MRI & NMR Speakers & Audio

Proof

Case Studies Quality & Compliance Customer Reviews

OEM sourcing program

10M+ magnets stocked on both coasts, fixed-rate pricing up to 1 year, credit terms and blanket orders.

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Core Guides

Magnets 101The complete guide to magnetics Magnets 201Advanced magnetics engineering Knowledge Base30+ articles across 6 topic clusters Magnet Buyers Guide Magnet Buyers Guide for EngineersSpecifying & designing with magnets

Reference

Neodymium Grades & Tolerances Magnet Terminology Glossary Magnet FAQs Technical Resource Hub Compliance Document Center Case Studies

By Role

Design Engineers Manufacturing Engineers Quality Engineers Automation Integrators R&D & Prototyping NPI Program Managers Buyers & Purchasing Procurement Managers Commodity Managers Materials Managers Supply Chain Managers Compliance Managers Maintenance & MRO

Media & News

Magnet News / Articles Videos All Resources

Earn a PhD in magnetics

Start with Magnets 101, work up to 201, then test yourself against the grade selector in the Knowledge Base.

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Buying & Sourcing

How to Prepare a Magnet RFQ Magnet Pricing Explained Lead Times, MOQs & Expediting Total Cost of Ownership Tariffs, Duties & Origin

Strategy & Planning

Magnet Category Strategy Should-Cost Modeling Supply Risk & Export Controls Supplier Scorecards Make vs. Buy

Quality & Compliance

Certificates & Compliance Docs Incoming Inspection Tolerances & Acceptance How Magnets Are Tested PPAP for Magnets

Engineering Reference

Neodymium Grades Chart Magnet Material Comparison Magnetization Directions Magnets & Temperature Pull Force & Holding Force Why Magnets Lose Strength

Design & Assembly

Magnet Coatings Compared Arc & Segment Magnets Ring & Annular Magnets Assembly & Retention Design Magnets for Sensors

The full technical library

The 26 most-used guides are listed here. The full library runs to 68 guides and 29 tools, all filterable in one place.

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Design & Calculate

Magnet Designer / Calculator — AdvancedDesign any magnet, calculate strength, save & get a quote Magnet Calculator / Designer — Basic CAD Download CenterSTEP / STL / DXF models & PDF drawings Designer How-to-Use Guide

Find & Request

Maggie — AI Magnet SearchDescribe your application, Maggie finds the magnet How to Use Maggie Search Our Inventory RFQ BuilderSpec one part properly, field by field Bulk RFQ — Paste Your ListMany line items, one structured quote request

Engineering Calculators

Pull Force Calculator Magnet Size Selector Magnet Grade Selector Temperature Derating Calculator Demagnetization & PermeanceReal max temperature for your geometry Field-at-Distance CalculatorGauss vs air gap, on-axis Magnet-to-Magnet ForceAttraction, repulsion & stiffness Pot Magnet ForceCup & channel assemblies Magnetic Unit Converter

Design Tools

Magnetic Coupling TorquePull-out torque & shell eddy loss Hall Sensor Air Gap DesignerWorst-case operate & release margin Multipole & True Radial Ring Arc & Segment Rotor Calculator Halbach Array Visualizer Ring-on-Shaft Fit & StressInterference, thermal, hoop stress Magnetic Shielding CalculatorSteel thickness for a target leakage Tolerance Stack-UpWorst-case & RSS across an assembly

Procurement & Logistics

Magnet Should-Cost CalculatorWhat a part ought to cost, line by line Shipping Compliance CheckerUN 2807 / PI 953 screening Lead-Time Estimator

Take us with you

Our free iOS app puts the full catalog and tools in your pocket.

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About Us Our Mission Statement Quality & Compliance Compliance Document Center Customer Reviews

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Policies

Magnet Safety Warning Return / Refund Policy Privacy Policy

20+ years, 10M+ magnets

True radial magnetization, ISO 9001, U.S. inventory on both coasts, same-day shipping by 2PM EST.

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Home

Browse All Magnets Search Our Inventory Large Quantity Orders RFQ Builder Bulk RFQ — Paste Your List True Radial Magnets Sensor Magnets Ring Magnets Disk & Rod Magnets Block & Bar Magnets Pot (Mounting) Magnets Halbach Array Ceramic / Ferrite Magnets Alnico Magnets Magnetic Hooks Door Magnets Fabric / Curtain Magnets Fishing Magnets Sold @ Digi-Key