Best Alnico Magnets in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Alnico Magnets

United Scientific Supplies MGTCOW-A Cow Magnet, Alnico, 1.25 cm Diameter
#TOP1
United Scientific Supplies Mgtcow-A Cow Magnet, Alnico, 1.25
9.5
PM SCORE
Master Magnetics 07239 Original Cast Alnico 5 Cow Magnet, 0.50" Diameter, 3" Length, Silver (Pack of 2)
#TOP2
Master Magnetics 07239 Original Cast Alnico 5 Cow
9.5
PM SCORE
Dowling Magnets Alnico Horseshoe Magnet (1" H), red, Includes kepper, Multicolor
#TOP3
Dowling Magnets Alnico Horseshoe Magnet (1" H), Red,
9.4
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Alnico Magnets of 2026

Market Overview
Alnico Magnets Reviewed
  • Reviews Analyzed: 1094 Items
  • PM Avg. Rating: 6.4 / 10
16 Products Evaluated
  • Highest Price: $173.52
  • Lowest Price: $6.79
  • Avg. Price: $27.46
#TOP1

United Scientific Supplies Mgtcow-A Cow Magnet, Alnico, 1.25 Cm Diameter

UNITED SCIENTIFIC SUPPLIES
MGTCOW-A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Country Of Origin: China

Model Number: 1177G88EA

Item Package Dimension: 3.0" L x 0.5" W x 0.5" H

Item Package Weight: 0.25 lb

#TOP2

Master Magnetics 07239 Original Cast Alnico 5 Cow Magnet, 0.50" Diameter, 3" Length, Silver (Pack Of 2)

MASTER MAGNETICS
07239
1.00 X 3.88 X 5.88 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

The original cast Alnico 5 cow magnet, bright metal finish, rounded ends that has been the favorite of dairymen and veterinarians to guard against Hardware Disease in cattle for nearly 50 years

0.50" diameter, 3" length (12.70 mm diameter, 76.20 mm length), solid, seamless, smooth, cylinder shape with rounded ends, magnetized completely from tip to tip

Powerful cast Alnico 5 magnet creates superior magnetic' field projection, consistent pulling force along length, and alignment of tramp iron parallel to magnet

It is non-toxic and non-corrosive in use

Administer with ordinary balling gun. One magnet works for the life of the cow!

#TOP3

Dowling Magnets Alnico Horseshoe Magnet (1" H), Red, Includes Kepper, Multicolor

DOWLING MAGNETS
DO-731014
3.13 X 0.25 X 0.25 Inches
0.08 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Horseshoe Magnet

1" Height

Red

Includes Kepper

Holds up to 4 lbs

#TOP4

General Tools 370-6 Horseshoe Power Alnico Magnets, 30-Pound Pull

GENERAL TOOLS
370-6
5.88 X 3.00 X 2.63 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MaxWarehouse 9.82

Features

General Tools and Instruments Alnico magnets featuring aluminum, nickel, and cobal alloy are built for heavy duty use and will not naturally demagnetize over time

The strong magnetic pull of these industrial grade magnet makes it perfect for lifting, holding, sorting, clamping or retrieving steel or iron parts

Alnico magnets will retain their magnetic force indefinitely; removable keepers insure a long life and optimum performance

These horseshoe magnets feature a hole on top for attaching to conveyors, racks, welding jigs, and other applications

This strong magnet weighs 6 ounces, measures 1-3/4 in. width x 1-1/8 in. height x 1-1/8 in. depth, the opening between poles is 7/8 inch and the cored hole is 3/16 inch; pulls up to 30 lbs

#TOP5

3 Inch Educational Alnico Bar Magnet With North South Identified For Student Teachers Science Education, 2 Pack

TOUCAN CRAFT SUPPLIES
OLMAGBAR
0.38 X 4.25 X 2.13 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ring Binder Depot 9.89

Features

🔷 PERFECT FOR STUDENTS LEARNING — These bar magnets are great for teaching children about physics and for fun science projects.

🔴 HELPS STUDENTS ENGAGE AND EDUCATE — These strong bar magnets are ideal for science projects for class demonstrations and will help students better grasp magnetism and magnetic polarity.

🔷 INSTANTLY RECOGNISABLE — North and South poles clearly identified. With each magnet having a north pole on one end and the south pole on the other the two magnets included in each pack can be used to display the attracting and repelling effects of magnets.

🔴 PREMIUM QUALITY — Alnico bar magnets with North/South markings designed with high quality components. They are stronger than Ceramic/Ferrite magnets and will surely last for a long time.

🔷 COMPACT SIZE — The magnet is small and portable, very suitable for children's teaching.

#TOP6

Hand2Mind Alnico Bar Magnets, 3", Pack Of 2

HAND2MIND
30301-2
3.20 X 1.25 X 0.60 Inches
0.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

These alnico magnets hold charges longer than steel magnets do.

It is best to keep these strong magnets away from electronic media, even in their packaging they may cause damage.

Master Magnetics Magnetic Sweeper Hang-Type For Forklift Truck, 48" Sweeping Width And Quick Release, 1 Each, Mrhs48Rxc

MASTER MAGNETICS
MRHS48RXC
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

48" sweeping width picks up 9.40 pounds of 8 penny nails from 2" height - approximately 855 pieces

4" high x 3" deep. Use these sweepers to clear factory and warehouse aisles and driveways

Available in 36" or 48" sweeping widths

Includes a quick release

Recommended operating speed: 5mph & sweeping height 2-4 inches

Mag-Mate A5Rc025X200 Alnico Bar Shaped Magnet Material, 0.250 X 2"/1.13 Lb

MAG-MATE
A5RC025X200
2.00 X 0.25 X 0.25 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Permanent alnico 5 cylindrical magnet material

Magnetized through the length

Ideal for high heat applications

Country of Origin: China

Eclipse Magnetics M17308/4Nr Alnico Round Bar Magnet, Maximum Pull Of 0.35 Lb, 4" Length

ECLIPSE
M17308/4NR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Round Bar magnets made from Alnico Grade 5 material, unpainted in color gray and have a maximum temperature of 550 degrees C

Length tolerance is +/- 0.045", diameter tolerance is +/- 0.032"

1/8-inch diameter, 4-inch length

Maximum pull of 0.35 pounds

Eclipse Magnetics is at the forefront of development in magnetic materials and design. With over 100 years of experience, we have a proven track record of supplying quality products

#TOP10

Pair Of Alnico Bar Magnets With Keepers [2 X 0.5 X 0.25 In]

BARTOVATION
SOP02U1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bartovation 9.91

Features

These alnico magnets hold charges longer than steel magnets

Sold in pairs of two magnets with separators and keepers

Perfect for science experiments

Both Magnets are 2 x 0.5 x 0.25 in

N and S poles printed on the magnet

#TOP11

Aomag® Strong Red Alnico Horseshoe Magnet 40 Lb Capacity Pull Power 12 Oz Tool Magnets

AOMAG
AOM1X2M1O8
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AOMAG® 9.16

Features

For lifting, holding, sorting, clamping, or retrieving

Hole in top of magnetic for attaching conveyors, racks, and welding jigs

Removable keeper

#TOP12

J.w. Winco 55.2-Sc-24-3 Gn55.2 Disk Shaped Raw Magnet, 0.94" Diameter, 0.12" Thickness, Samarium And Cobalt Combination Alnico Magnet

JW WINCO
55.2-SC-24-3
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

24 mm Outside Diameter

3 mm Thickness

Nominal Adhesive Forces in 36N

Magnet: Samarium and cobalt combination AlNiCo

#TOP13

Aomag® 30 Lbs Red Cast Horseshoe Heavy-Duty Alnico Power Magnets For Education

AOMAG
AOM312DXZ7-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AOMAG® 9.16

Features

√ Hole in top of magnetic for attaching conveyors, racks, and welding jigs

√ For lifting, holding, sorting, clamping, or retrieving. Removable keeper

√ Red horseshoe magnets with keeper to retain magnetic power. Ideal for school experiments.

√ Pull Force: 30 lb, Width: 1.77", Height: 1.18", Depth: 1.18", Space Between Poles: 0.88

#TOP14

Eclipse Magnetics E822 Alnico Button Magnet, 4.2 Lb. Pull Capacity, 0.75" Diameter X 0.5" Height

ECLIPSE MAGNETICS
E822
0.20 X 0.16 X 0.04 Inches
0.08 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Made from Alnico II material, can be used up to 550 degrees Celsius

0.75" Diameter x 0.50" Height, 4.2 pounds pull capacity

Poles each occupy a side of the end of the magnet face and are separated by a groove

Made from a single piece of material so don't suffer from differential expansion or contraction and are therefore more suited to some higher temperature applications than pot magnets

Not as powerful as the equivalent pot magnet but have a greater depth of field (the distance that the magnet can attract over)

Eclipse Magnetics is at the forefront of development in magnetic materials and design. With over 100 years of experience, we have a proven track record of supplying quality products

#TOP15

Az Industries, Inc. Cast Alnico 5 Cow Magnet, 1/2" Diameter X 3" Long, Ground Finish On Diameter. 5- Pack

AZ INDUSTRIES, INC.
A5R500-3000S
0.64 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A Z Industries, Inc. 5.28

Features

Prevents Hardware Disease in Cattle.

~1/2" Diameter x 3" Long with the magnetic poles at the two ends. They are a solid casting and the diameter is ground to size.

Made from powerful Alnico Magnet Material (Aluminum/Nickel/Cobalt) which was developed in the early 1930's.

These magnets handle high temperatures and are resistant to demagnetization.

These magnets are non-toxic and non-corrosive in regular use.

#TOP16

Eclipse Magnetics 833Nf Alnico Deep Pot Magnet, 1.06" Diameter

ECLIPSE MAGNETICS
833NF
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Great for gripping, clamping and fixturing applications, 'deep' pot proportions provide excellent performance and stability

13 pounds pull capacity, measures 1.06" Diameter x 1" Height

Can be used up to a maximum operating temperature of 220-Degree C sprayed red finish

Alnico is a family of materials based on the same mix of elements (aluminum, nickel, cobalt and iron)

10 UNF thread size

Eclipse Magnetics is at the forefront of development in magnetic materials and design. With over 100 years of experience, we have a proven track record of supplying quality products

Top 10 alnico magnets Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Aomag 2
Eclipse Magnetics 2
Master Magnetics 2
Az Industries, Inc. 1
Bartovation 1
Dowling Magnets 1
Eclipse 1
General Tools 1
Hand2Mind 1
Jw Winco 1

Top 10 alnico magnets Brands Pie Chart


We've carried out a comprehensive analysis of 1,094 reviews on alnico magnets, using our selection criteria to identify the best options in the science education supplies. Our findings reveal that most customers typically select alnico magnets priced around $27.46, with top brands including dowling magnets, bnineteenteam, master magnetics, anjing, jw winco, bartovation, aomag, mag-mate and hand2mind and general tools

Our team of expert editors reviewed these high-quality items and handpicked the top 16 alnico magnets for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the science education supplies category. These include dowling magnets, sancoyr, amazon.com, aooryus, bartovation, aomag®, maxwarehouse and ring binder depot and a z industries, inc. .

We are dedicated to assisting our users in finding the right magnets Products based on their needs, saving them considerable time when choosing which alnico magnets to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.