GN 50.3 Retaining Magnets Steel, Disk-Shaped, with Threaded Stud


GN 50.3 Steel Retaining Magnets, Disk-Shaped, with Threaded Stud

Product description


GN 50.3 retaining magnets, in combination with the steel housing and the plastic ring, form a system that shields and strengthens the magnet for optimal transmission of the magnetic flux onto the magnetic surface.


Steel, zinc plated
Magnet materials
  • Hard ferriteHF
    Temperature resistant up to 392 °F (200 °C)
  • NdFeBND
    Neodymium, iron, boron
    Temperature resistant up to 176 °F (80 °C)



Magnet holding disks GN 70
Self-adhesive disks GN 70.1
Rubber caps GN 70.2

Technical drawing

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GN 50.3 Steel Retaining Magnets, Disk-Shaped, with Threaded Stud sketch

Part Options / Table

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Dimensions in: Inch (change to Metric)


Length l


Length l
Nominal magnetic forces

0.236 ±0.004---M 30.177 ±0.0040.28-1.12 lbf (5 N)
0.315 ±0.004---M 40.177 ±0.0040.31-2.92 lbf (13 N)
0.394 ±0.004M 30.177 +0.008/-0.0040.28M 30.177 ±0.0040.280.90 lbf (4 N)5.62 lbf (25 N)
0.394 ±0.004---M 40.177 ±0.0040.31-5.62 lbf (25 N)
0.512 ±0.004M 30.177 +0.008/-0.0040.28M 50.177 ±0.0040.312.25 lbf (10 N)13.49 lbf (60 N)
0.630 ±0.004M 30.177 +0.008/-0.0040.28M 40.177 ±0.0040.314.05 lbf (18 N)19.11 lbf (85 N)
0.630 ±0.004M 40.177 +0.008/-0.0040.24M 60.177 ±0.0040.314.05 lbf (18 N)21.36 lbf (95 N)
0.787 ±0.004M 30.236 +0.008/-0.0040.28M 60.236 ±0.0040.396.74 lbf (30 N)31.47 lbf (140 N)
0.984 ±0.004M 40.276 +0.012/-0.0080.31M 60.276 ±0.0080.398.99 lbf (40 N)44.96 lbf (200 N)
0.984 ±0.004M 60.276 +0.012/-0.0080.79---8.99 lbf (40 N)-
1.260 ±0.004M 40.276 +0.012/-0.0080.31M 60.276 ±0.0080.3917.98 lbf (80 N)78.68 lbf (350 N)
1.260 ±0.004M 60.276 +0.012/-0.0080.47---17.98 lbf (80 N)-
1.260 ±0.004M 80.276 +0.012/-0.0080.39---17.98 lbf (80 N)-
1.575 ±0.004---M 80.315 ±0.0080.47-151 lbf (670 N)
1.850 +0.008/-0.004M 60.354 +0.02/-0.0080.31M 80.362 ±0.0080.5140.47 lbf (180 N)178 lbf (790 N)
2.244 +0.008/-0.004M 60.413 +0.02/-0.0080.31---62.95 lbf (280 N)-
2.480 +0.012/-0.004M 60.551 +0.02/-0.0080.59---78.68 lbf (350 N)-
3.150 +0.012/-0.004M 80.394 +0.02/-0.0080.51---135 lbf (600 N)-

Build & Price

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Magnet material

Diameter d1
Thread d2 (HF)
Thread d2 (ND)

Selected Part

Total US Dollars (net)
In Stock: 50
In Stock
Please note our quantity discounts (US Dollars).
≥ 100$2.44
Prop 65: Not compliant
Cancer and Reproductive Harm -
RoHS: Compliant
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)).
Weight: 0.004 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM Central Time: 800-877-8351

Special Requests | Contact our sales team

GN 50.3-ND-6-M3GN 50.3-ND-8-M4GN 50.3-ND-10-M3GN 50.3-HF-10-M3GN 50.3-ND-10-M4GN 50.3-HF-13-M3GN 50.3-ND-13-M5GN 50.3-ND-16-M4GN 50.3-HF-16-M3GN 50.3-ND-16-M6GN 50.3-HF-16-M4GN 50.3-ND-20-M6GN 50.3-HF-20-M3GN 50.3-ND-25-M6GN 50.3-HF-25-M4GN 50.3-HF-25-M6GN 50.3-ND-32-M6GN 50.3-HF-32-M4GN 50.3-HF-32-M6GN 50.3-HF-32-M8GN 50.3-ND-40-M8GN 50.3-HF-47-M6GN 50.3-ND-47-M8GN 50.3-HF-57-M6GN 50.3-HF-63-M6GN 50.3-HF-80-M8

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