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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

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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

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Buying & Sourcing

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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

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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

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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

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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

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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

Major Industries Served

Magnets for Medical Devices Magnets for EV & Automotive Magnets for Industrial Automation Robotics & Cobots Wind & Renewable Energy