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D18-3.5x4mm N38 NiCuNi Plated Countersunk Ring Magnet

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Availability: In stock

  • Buy 100 for $1.40 each and save 7%
  • Buy 500 for $1.30 each and save 14%

Quick Overview

One of our most popular magnets. The CSR1804 has a countersunk hole sized for a #6 machine or wood screw. This one is easy to securely mount in a variety of mediums. Perfect for latches, lock downs, tools, alignment and more. We keep large quantities in stock. See our CSR1809 for a thicker version.


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  • CSR1804


18mm dia. x 3.5mm inner dia. x 4mm thick (with 6mm dia. x 3mm deep countersink) Neodymium Countersunk Ring Magnet - NdFeB N38 - NiCuNi Plated - Axially Magnetized through 4mm thickness

Additional Information

Plating Nickel (Ni-Cu-Ni)
Grade N38
Diameter 18mm
Inner Diameter 1 6mm
Inner Diameter 2 3.5mm
Thickness 4mm
Pull Strength 18 lbs 5 oz
Surface Gauss 3000

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