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N48 Neodymium Magnet with 2 Dual Countersunk Holes – 2" x 1" x 1/4" Thick Rare Earth Block Magnet

Quick Facts

Attribute Value
Magnet Type Neodymium Rare Earth Block Magnet with Countersunk Holes
Grade N48
Shape Block
Length 2" (50.8 mm)
Width 1" (25.4 mm)
Height 1/4" (6.35 mm)
Pull Force Over 54 lbs
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel (Ni-Cu-Ni)
Magnetization Through Thickness
Br Max 14,200 Gauss
Certification ISO Certified

Quick Answers

Question Answer
How strong is this magnet? Over 54 lbs of pull force under ideal conditions.
Is N48 stronger than N42? Yes. N48 is stronger than N45, N42, 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? Heavy-duty mounting, industrial fixtures, machinery mounting, woodworking, magnetic latches, and automation systems.

Product Overview

Neodymium magnets are the world's strongest commercially available permanent magnets. Super Magnet Store offers premium-quality N48 neodymium magnets manufactured to stringent quality standards using advanced production technology. These magnets provide exceptional holding power, dependable performance, and long-term durability for industrial, commercial, and engineering applications.

This N48 neodymium block magnet measures 2" x 1" x 1/4" and features two dual-sided countersunk mounting holes for secure installation. Each countersunk hole measures 0.365" x 0.195" with a 90-degree taper and is designed for use with #8 flat head screws. The holes are spaced 1 inch center-to-center, providing secure fastening and excellent load distribution.

The Nickel-Copper-Nickel triple-layer coating offers superior corrosion resistance and durability, while the N48 grade provides stronger magnetic performance than N45 and N42 magnets. With over 54 lbs of pull force, this magnet is ideal for demanding mounting and fastening applications.

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 exceptional holding force and a large contact surface area, making them ideal for industrial equipment, manufacturing fixtures, cabinetry, automation systems, woodworking, and custom magnetic assemblies.

How Strong Is This Magnet?

This N48 neodymium countersunk block magnet generates over 54 lbs of pull force under ideal conditions. Actual holding strength depends on steel thickness, surface finish, air gaps, mounting configuration, and environmental conditions. With a Br Max rating of 14,200 Gauss, it delivers powerful magnetic performance while allowing secure screw mounting.

Technical Specifications

Specification Value
Product Name N48 Neodymium Block Magnet with 2 Dual Countersunk Holes
Material Neodymium Iron Boron (NdFeB)
Grade N48
Shape Block
Length 2" (50.8 mm)
Width 1" (25.4 mm)
Thickness 1/4" (6.35 mm)
Number of Holes 2
Hole Type Dual-Sided Countersunk
Countersunk Hole Size 0.365" x 0.195"
Countersink Angle 90 Degrees
Hole Spacing 1" Center-to-Center
Compatible Screw #8 Flat Head Screw
Coating Nickel-Copper-Nickel Triple Layer
Magnetization Direction Through Thickness (1/4")
Pole Orientation On the 2" x 1" Surfaces
Pull Force Over 54 lbs
Br Max 14,200 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
N45 Premium Advanced industrial applications
N48 Very High Heavy-duty mounting and industrial use
N52 Maximum Mission-critical applications

Block Magnet Size Comparison

Size Typical Applications
Small Blocks Electronics
Medium Blocks Fixtures & Closures
Large Blocks Industrial Assemblies
Countersunk Blocks Permanent mounted installations

Applications by Industry

Industry Common Uses
Manufacturing Fixtures & tooling
Woodworking Hidden magnetic catches
Construction Mounted fastening systems
Industrial Equipment Machinery mounting
Engineering Product development
Automation Positioning systems
Marine & RV Secure closures and mounting

Common Questions About This Magnet

How much weight can this magnet hold?

This magnet provides over 54 lbs of pull force under ideal conditions. Actual holding capacity depends on the mounting surface, installation method, and application design.

What screws fit the countersunk holes?

The 0.365" x 0.195" dual-sided countersunk holes are designed for #8 flat head screws.

What is the hole spacing?

The two mounting holes are spaced 1 inch center-to-center.

Is N48 stronger than N42?

Yes. N48 magnets provide greater magnetic energy and holding force than N42 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.

What direction is it magnetized?

This magnet is magnetized through the 1/4-inch thickness, with the north and south poles located on the 2" x 1" faces.

Do you offer wholesale pricing?

Yes. Contact Super Magnet Store for competitive volume pricing and wholesale discounts on N48 neodymium magnets with countersunk holes.

Why Buy From Super Magnet Store?

  • Premium NdFeB rare earth magnets

  • High-strength N48 magnetic performance

  • Dual countersunk mounting holes for secure installation

  • Compatible with #8 flat head screws

  • Powerful 54+ lb holding force

  • Nickel-Copper-Nickel triple-layer coating

  • ISO-certified manufacturing

  • Competitive pricing

  • Wholesale discounts available

  • Superior quality and performance guaranteed

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Total price$ 20.91

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