£79.73

FIRST4MAGNETS N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 20mm O.D. x 10mm I.D. x 5mm thick - Pack of 10

SP20105RR-10

Price data last checked 31 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

It has never been this cheap. We have no record of a lower price.

£80 today · cheaper than every other day in the last 3 months

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 60 days · 60 data points (no recent data)

Historical
Generating forecast…
£79.73 £75.74 £77.34 £78.93 £80.53 £82.12 £83.72 23 April 2026 07 May 2026 22 May 2026 06 June 2026 21 June 2026

Price Distribution

Price distribution over 60 days • 1 price levels

Days at Price
60 days 0 15 30 45 60 £80 Days at Price

Price Analysis

Most common price: £80 (60 days, 100.0%)

Price range: £80 - £80

Price levels: 1 different prices over 60 days

Description

Pack of 10 20mm outer diameter x 10mm inner diameter x 5mm thick Diametrically magnetised with a 2mm hole through the diameter Excellent resistance to demagnetisation Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish These versatile high-performance ring magnets are diametrically magnetised which means their north and south poles are on opposite curved faces. They also have a small 2mm hole going through the diameter of the magnet. They are used in many everyday appliances such as vacuum cleaners plus motors, generators, rotor shafts and more.

Key Features

PERFECT FOR ENGINEERING & MANUFACTURING. They also have many uses in engineering and manufacturing where small size and maximum strength are required.

CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper, and nickel to reduce corrosion and provide a smooth and clean finish.

RESISTANT TO DEMAGNETISATION. Excellent resistance to demagnetisation.

STRONG MAGNETIC HOLD. Each magnet can support a steel weight of up to 3.2kg vertically from the magnetic face when in flush contact with a mild steel surface.

SPECIFICATIONS. 20mm outer diameter x 10mm inner diameter x 5mm thick. Diametrically magnetised with polarities runnung 90 degrees opposite 2mm holes.

Product Specifications

Size
Pack Of 10
Pack Size
10 items
Domain
Amazon UK
Listed Since
28 November 2017

Barcode

No barcode data available

Similar Products You Might Like

N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 20mm O.D. x 10mm I.D. x 5mm thick - Pack of 20
99% match

N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 20mm O.D. x 10mm I.D. x 5mm thick - Pack of 20

FIRST4MAGNETS

£147.09 10 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 15mm O.D. x 2mm I.D. x 2mm thick - 1.7kg Pull - Pack of 40
98% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 15mm O.D. x 2mm I.D. x 2mm thick - 1.7kg Pull - Pack of 40

FIRST4MAGNETS

£42.03 20 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 25mm O.D. x 16mm I.D. x 5mm thick - 9.4kg Pull - Pack of 20
97% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 25mm O.D. x 16mm I.D. x 5mm thick - 9.4kg Pull - Pack of 20

FIRST4MAGNETS

£103.64 20 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 25mm O.D. x 16mm I.D. x 5mm thick - 9.4kg Pull - Pack of 10
97% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 25mm O.D. x 16mm I.D. x 5mm thick - 9.4kg Pull - Pack of 10

FIRST4MAGNETS

£62.99 17 Jun 2026
Jeracol 2PCS Copper Magnetic Rings - 3500 Gauss Neodymium
97% match

Jeracol 2PCS Copper Magnetic Rings - 3500 Gauss Neodymium

Jeracol

£9.99 23 Jun 2026
Magnet Expert® 6mm dia x 1mm thick Diametrically Magnetised N42 Neodymium Magnet ( Pack of 400 )
96% match

Magnet Expert® 6mm dia x 1mm thick Diametrically Magnetised N42 Neodymium Magnet ( Pack of 400 )

FIRST4MAGNETS

£49.44 05 May 2026
N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 8mm dia x 7.25mm thick - 2.4kg Pull - Pack of 100
96% match

N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 8mm dia x 7.25mm thick - 2.4kg Pull - Pack of 100

FIRST4MAGNETS

£92.70 24 Jun 2026
N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 8mm dia x 7.25mm thick - 2.4kg Pull - Pack of 200
96% match

N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 8mm dia x 7.25mm thick - 2.4kg Pull - Pack of 200

FIRST4MAGNETS

£153.27 24 Jun 2026
N42SH Neodymium Magnet for High-Temperature, Engineering, and Manufacturing Applications - 4mm dia x 4mm thick - 0.58kg Pull - Pack of 250
96% match

N42SH Neodymium Magnet for High-Temperature, Engineering, and Manufacturing Applications - 4mm dia x 4mm thick - 0.58kg Pull - Pack of 250

FIRST4MAGNETS

£95.79 19 Jun 2026
Vicmag 4X Strength Copper Magnetic Rings - 2PCS Set
96% match

Vicmag 4X Strength Copper Magnetic Rings - 2PCS Set

Vicmag

£8.99 23 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 2mm thick - 2.6kg Pull - Pack of 200
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 2mm thick - 2.6kg Pull - Pack of 200

FIRST4MAGNETS

Out of stock 11 Jun 2026
Unmagnetised Neodymium Ring for Science, Experiments, Education and Teachers - 25mm O.D. x 16mm I.D. x 5mm thick - Pack of 10
96% match

Unmagnetised Neodymium Ring for Science, Experiments, Education and Teachers - 25mm O.D. x 16mm I.D. x 5mm thick - Pack of 10

FIRST4MAGNETS

£62.99 11 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies and Packaging - 25mm dia x 2mm thick - 3.5kg Pull - Pack of 40
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies and Packaging - 25mm dia x 2mm thick - 3.5kg Pull - Pack of 40

FIRST4MAGNETS

£96.41 16 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 4mm dia x 0.5mm thick - 0.09kg Pull - Pack of 500
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 4mm dia x 0.5mm thick - 0.09kg Pull - Pack of 500

FIRST4MAGNETS

£61.80 20 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies and Packaging - 25mm dia x 2mm thick - 3.5kg Pull - Pack of 20
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies and Packaging - 25mm dia x 2mm thick - 3.5kg Pull - Pack of 20

FIRST4MAGNETS

£51.92 25 May 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 2mm thick - 2.6kg Pull - Pack of 100
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 2mm thick - 2.6kg Pull - Pack of 100

FIRST4MAGNETS

£154.50 17 Jul 2026
FIRST4MAGNETS F100N-8 10mm Dia x 30mm Thick N42 Neodymium Mitre Magnet-3.6kg Pull (North) (Pack of 8)
96% match

FIRST4MAGNETS F100N-8 10mm Dia x 30mm Thick N42 Neodymium Mitre Magnet-3.6kg Pull (North) (Pack of 8)

FIRST4MAGNETS

£43.40 20 Jul 2026
Samarium Cobalt Ring Magnet for Motors, Electric Motors, Turbo Machinery and Sensors - 40mm O.D. x 25mm I.D. x 5mm thick - 11.4kg Pull - Pack of 10
96% match

Samarium Cobalt Ring Magnet for Motors, Electric Motors, Turbo Machinery and Sensors - 40mm O.D. x 25mm I.D. x 5mm thick - 11.4kg Pull - Pack of 10

FIRST4MAGNETS

£218.99 25 Jun 2026
FIRST4MAGNETS F100S-8 10mm Dia x 30mm Thick N42 Neodymium Mitre Magnet-3.6kg Pull (South) (Pack of 8)
96% match

FIRST4MAGNETS F100S-8 10mm Dia x 30mm Thick N42 Neodymium Mitre Magnet-3.6kg Pull (South) (Pack of 8)

Magnet Expert

Out of stock 20 Jul 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 12mm dia x 1mm thick - 0.73kg Pull - Pack of 200
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 12mm dia x 1mm thick - 0.73kg Pull - Pack of 200

FIRST4MAGNETS

£59.33 22 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 8mm dia x 1mm thick - 0.44kg Pull - Pack of 250
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 8mm dia x 1mm thick - 0.44kg Pull - Pack of 250

FIRST4MAGNETS

£54.08 29 Jun 2026
N42 Neodymium Radially Magnetised Magnet Assembly for Motors and Generators - 40mm O.D. x 30mm I.D. x 35mm long
96% match

N42 Neodymium Radially Magnetised Magnet Assembly for Motors and Generators - 40mm O.D. x 30mm I.D. x 35mm long

FIRST4MAGNETS

£304.99 09 May 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 15mm dia x 2mm thick - 2.2kg Pull - Pack of 200
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 15mm dia x 2mm thick - 2.2kg Pull - Pack of 200

FIRST4MAGNETS

£128.99 17 Jun 2026
N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 12mm dia x 1mm thick - 0.73kg Pull - Pack of 400
96% match

N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office and Home - 12mm dia x 1mm thick - 0.73kg Pull - Pack of 400

FIRST4MAGNETS

£98.88 26 Jun 2026