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SKU: NB052

Rare Earth Magnets 2 x 1/2 x 1/8 inch N42 Neodymium Bar Magnet

$ 3.89
$ 3.89

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Rare Earth Magnets N42 Grade 2" x 1/2" x 1/8" Thick Neodymium NdFeB Block Magnet

Quick Facts

Attribute Value
Magnet Type Neodymium Rare Earth Block Magnet
Grade N42
Shape Block
Length 2" (50.8 mm)
Width 1/2" (12.7 mm)
Height 1/8" (0.125" / 3.18 mm)
Pull Force Over 15 lbs
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel (Ni-Cu-Ni)
Magnetization Through Thickness
Br Max 13,200 Gauss
Certification ISO Certified

Quick Answers

Question Answer
How strong is this magnet? Over 15 lbs of pull force under ideal conditions.
Is N42 stronger than N35? Yes. N42 is stronger than N40, N38, and N35 grades.
What is this magnet made of? NdFeB (Neodymium-Iron-Boron) rare earth material.
Can this magnet rust? The Nickel-Copper-Nickel coating provides excellent corrosion resistance, but prolonged exposure to moisture or coating damage may eventually lead to corrosion.
What is it commonly used for? Magnetic fixtures, displays, sensors, automation systems, industrial assemblies, tool holders, and engineering projects.

Product Overview

Rare earth neodymium NdFeB magnets are the world's strongest commercially available permanent magnets. Super Magnet Store offers premium-quality N42 rare earth magnets manufactured to stringent quality standards using advanced production technology. These magnets provide exceptional magnetic performance, dependable strength, and long-term durability for industrial, commercial, and engineering applications.

This N42 neodymium block magnet measures 2" x 1/2" x 1/8" and generates over 15 lbs of pull force under ideal conditions. Manufactured from neodymium, iron, boron, and other minor elements, it delivers significantly greater magnetic performance than N40, N38, and N35 grades.

The durable Nickel-Copper-Nickel triple-layer coating provides superior corrosion resistance and wear protection. Manufactured under ISO-certified quality standards, this magnet offers consistent magnetic strength and reliable performance in demanding environments.

What Is a Neodymium Block Magnet?

A neodymium block magnet is a rectangular rare earth permanent magnet made from neodymium, iron, and boron (NdFeB). Block magnets provide strong holding force and a large contact surface area while maintaining a compact profile, making them ideal for industrial equipment, manufacturing fixtures, engineering projects, automation systems, displays, and custom magnetic assemblies.

How Strong Is This Magnet?

This N42 neodymium block magnet generates over 15 lbs of pull force under ideal conditions. Actual holding strength depends on steel thickness, surface finish, air gaps, temperature, and mounting configuration. With a Br Max rating of 13,200 Gauss, it delivers powerful magnetic performance in a slim-profile design.

Technical Specifications

Specification Value
Product Name N42 Neodymium Block Magnet
Material Neodymium Iron Boron (NdFeB)
Grade N42
Shape Block
Length 2" (50.8 mm)
Width 1/2" (12.7 mm)
Thickness 1/8" (0.125" / 3.18 mm)
Coating Nickel-Copper-Nickel Triple Layer
Magnetization Direction Through Thickness (1/8")
Pole Orientation On the 2" x 1/2" Large Flat Surfaces
Pull Force Over 15 lbs
Br Max 13,200 Gauss
Certification ISO Certified
Operating Temperature Up to 176°F (80°C)

Note: Pull force is an estimate only and should be tested for your specific application.

Magnet Grade Comparison

Grade Relative Strength Typical Applications
N35 Standard General purpose
N38 Moderate Consumer products
N40 High Industrial
N42 Higher Engineering
N52 Maximum High-performance

Block Magnet Size Comparison

Size Typical Applications
Thin Blocks Electronics & Sensors
Medium Blocks Fixtures & Closures
Long Blocks Industrial Assemblies & Mounting Systems

Applications by Industry

Industry Common Uses
Manufacturing Fixtures & tooling
Engineering Product development
Automation Positioning systems
Electronics Sensors & assemblies
Retail Displays Magnetic mounting
Tool Storage Magnetic holders
DIY Custom projects

Common Questions About This Magnet

How much weight can this magnet hold?

This magnet provides over 15 lbs of pull force under ideal conditions. Actual holding capacity depends on surface material, air gaps, steel thickness, and application design.

Is N42 stronger than N35?

Yes. N42 magnets provide substantially greater magnetic energy and holding force than N35 magnets of the same dimensions.

Can this magnet be used outdoors?

The Nickel-Copper-Nickel coating provides corrosion resistance, but additional protection is recommended for prolonged outdoor exposure.

Can it rust?

The protective nickel coating helps resist corrosion; however, moisture exposure and coating damage can eventually result in rust.

What direction is it magnetized?

This magnet is magnetized through the 1/8-inch thickness, with the north and south poles located on the 2" x 1/2" large flat surfaces.

Do you offer wholesale pricing?

Yes. Contact Super Magnet Store for competitive volume pricing and wholesale discounts on rare earth magnets.

Why Buy From Super Magnet Store?

  • Premium NdFeB rare earth magnets

  • Strong N42 magnetic performance

  • Nickel-Copper-Nickel triple-layer coating

  • Consistent magnetic performance

  • ISO-certified manufacturing

  • Competitive pricing

  • Wholesale discounts available

  • Superior quality and performance guaranteed

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Total price$ 7.65

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