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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

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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

Process & Heavy Industry

Food Processing & Separation Pumps, HVAC & Magnetic Couplings Oil & Gas Downhole Material Handling & Lifting

By Application

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

Proof

Case Studies Quality & Compliance Customer Reviews

Core Guides

Magnets 101 Magnets 201 Knowledge Base Magnet Buyers Guide Magnet Buyers Guide for Engineers

Reference

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

By Role

Media & News

Magnet News / Articles Videos

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

Design & Calculate

Magnet Designer / Calculator — Advanced Magnet Calculator / Designer — Basic CAD Download Center FEA Material Property Export Part Datasheet Generator Designer How-to-Use Guide

Find & Request

Maggie — AI Magnet Search How to Use Maggie Search Our Inventory RFQ Builder Bulk RFQ — Paste Your List

Engineering Calculators

Pull Force Calculator Magnet Size Selector Magnet Grade Selector Temperature Derating Calculator Demagnetization & Permeance Field-at-Distance Calculator Magnet-to-Magnet Force Pot Magnet Force Magnetic Unit Converter

Design Tools

Magnetic Coupling Torque Hall Sensor Air Gap Designer Multipole & True Radial Ring Arc & Segment Rotor Calculator Halbach Array Visualizer Ring-on-Shaft Fit & Stress Magnetic Shielding Calculator Tolerance Stack-Up

Procurement & Logistics

Magnet Should-Cost Calculator Shipping Compliance Checker Lead-Time Estimator Our Free iOS App

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Ring Magnets

8074 – N35 Neodymium Ring Magnet 0.6 OD × 3/16 ID × 1/8 in

8241 – Neodymium Magnet Ring N35 OD 1.5″ ID .1875″ x 1/10″(A) C/S #6

8242 – N35 Neodymium Countersunk Ring Magnet 3/4 × 0.135 × 1/8 in

8246 – N35 Neodymium Ring Magnet 0.745 OD × 0.336 ID × 0.125 in

8248 – N35SH Neodymium Ring Magnet 0.75 OD × 0.188 ID × 0.50 in

8314 – N42 Epoxy-Coated Neodymium Ring Magnet 0.375 OD × 3/16 ID × 1.5 in

8339 – Ferrite Ceramic Ring Magnet 1.75 OD x 0.85 ID x 5/16 in

8393 – N35 Neodymium Ring Magnet 1.24 OD x 0.95 ID x 0.19 in

8399 – N35 Neodymium Ring Magnet 14 OD × 12 ID × 5 mm

8431 – N35 Gold-Plated Neodymium Ring Magnet 7 OD × 4.2 ID × 2 mm

8633 – N35 Gold-Plated Ring Magnet 8 OD × 4.5 ID × 4 mm

8670 – Unmagnetized N35 Silver-Plated Ring 4 OD × 1 ID × 4 mm

8717 – N35 Neodymium Ring Magnet 6.5 OD × 4.5 ID × 1 mm

8824 – N35 Neodymium Ring Magnet 7 OD × 5 ID × 4 mm

9055 – N35SH Neodymium Ring Magnet 1/4 OD × 1/8 ID × 0.1 in

9209 – Neodymium Magnet Ring N40 OD 6mm ID 4mm T 5mm(A)

9226 – N40 Neodymium Ring Magnet 8 mm OD × 6 mm ID × 5 mm

9408 -Neodymium Ring Magnet N35 19mm OD x 14mm ID x 5mm Axial

9453 – Neodymium Magnet Ring N35 NiCuNi OD 25mm x ID 20mm x 5mm(A)

9663 – N35 Ring Magnet 15.8mm OD x 6.5mm ID x 5mm

9698 – Grade 8 Ferrite Ring Magnet 45mm OD x 22mm ID x 8mm

9711 – Neodymium Ring Magnet N35 10mm OD x 4mm ID x 3mm Axial

9715 – N48 Countersunk Ring Magnet 1/4″ OD x 0.096″ ID x 0.275″

9734 – N52 Neodymium Ring Magnet 1″ OD x 3/16″ ID x 1/8″

9781 – N35 Neodymium Ring Magnet 0.70 x 0.20 x 0.20 in

9782 – N35 Neodymium Ring Magnet 12 x 4 x 4 mm

9783 – N35 Neodymium Ring Magnet 12 x 4 x 5 mm

9823 – N52 Neodymium Ring Magnet OD 3/8″ x ID 3/16″ x 1/16″(A) With Countersink #4