JW Winco

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GN 50.4 Retaining magnets disc-shaped, with female thread


GN 50.4 Retaining magnets with female thread Material of the magnet: HF - Hard ferrite

Product description


Retaining magnets GN 50.4 are combined with a steel housing and a plastic ring into a system that shields and strengthens the magnet for optimal transmission of the magnetic flux onto the magnetic surface.

To avoid negatively impacting the magnetic properties, the fastening screws should be made of a non-magnetic material such as stainless steel, brass or plastic.


Steel, zinc plated

Material of the magnet
  • Hard ferriteHF
    temperature resistant up to 200° C



Holding discs GN 70
Adhesive discs GN 70.1

Technical drawing

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GN 50.4 Retaining magnets with female thread sketch

Article options / Table

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d1hd2d3Nominal magnetic forces in N
25±0,17+0,3/-0,2M 4-5,236
32±0,17+0,3/-0,2M 4-5,275
40+0,2/-0,18+0,4/-0,2M 4-5,290
50+0,2/-0,110+0,5/-0,2M 6M 812170
63+0,3/-0,114+0,5/-0,2M 8-13290
80+0,3/-0,110+0,5/-0,2M 8-12450
80+0,3/-0,118+0,5/-0,2M 8M 1014,5550

Build & Price


Material of the magnet

Diameter d1
Thread d2

Selected Part (How to order)

Total (net)
plus VAT 0,37 €
gross 2,69 €
In stock
Weight: 0,015 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

CAD data

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