Metric Size, Steel
Retaining Magnet Assemblies

Disc-Shaped, With Threaded Stud
GN 50.3

RoHS Compliant


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Specification
Information

Housing and threaded stud: Steel, zinc plated
Magnet: Hard ferrite SrFe (HF type),or neodymium, iron and boron version NdFeB (ND type)

Shipping

GN 50.3 magnets are a shielded magnetic assembly.
Type HF temperature resistant to 390°F (200°C), Type ND temperature resistant to 175 °F (80°C).
See also Types of Retaining Magnet Assemblies, Materials Composition of Retaining Magnet Assemblies, and Pulling Force Information for Retaining Magnet Assemblies.

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For CAD download instructions, click
HERE
 HF Type

Dimensions in:

millimeters
(inches)

Part Number d1
Dia.
d1
tolerance
d2
thread
l
Length
h
Thickness
h
tolerance
Nominal Pulling Forces [N]
50.3-HF-10-M3
Download the CAD
10
(.39)
+/- .1
(+/- .004)
M3 x .5 7
(.28)
4.5
(.18)
+ .2 / -.1
(+ .008/- .004)
4
50.3-HF-13-M3
Download the CAD
13
(.51)
+/- .1
(+/- .004)
M3 x .5 7
(.28)
4.5
(.18)
+ .2 / -.1
(+ .008/- .004)
10
50.3-HF-16-M3
Download the CAD
16
(.63)
+/- .1
(+/- .004)
M3 x .5 7
(.28)
4.5
(.18)
+ .2 / -.1
(+ .008/- .004)
18
50.3-HF-20-M3
Download the CAD
20
(.79)
+/- .1
(+/- .004)
M3 x .5 7
(.28)
6
(.24)
+ .2 / -.1
(+ .008/- .004)
30
50.3-HF-25-M4
Download the CAD
25
(.98)
+/- .1
(+/- .004)
M4 x .7 8
(.31)
7
(.28)
+ .3 / -.1
(+ .012/- .004)
40
50.3-HF-32-M4
Download the CAD
32
(1.26)
+/- .1
(+/- .004)
M4 x .7 8
(.31)
7
(.28)
+ .3 / -.1
(+ .012/- .004)
80
50.3-HF-47-M6
Download the CAD
47
(1.85)
+ .2 / -.1
(+ .008/- .004)
M6 x 1.0 8
(.31)
9
(.35)
+ .5 / -.1
(+ .020/- .004)
80
50.3-HF-63-M6
Download the CAD
63
(2.48)
+ .3 / -.1
(+ .012/- .004)
M6 x 1.0 15
(.59)
14
(.55)
+ .5 / -.1
(+ .020/- .004)
350
 ND Type

Dimensions in:

millimeters
(inches)

Part Number d
Dia.
d
tolerance
d2
thread
l
Length
h
Thickness
h
tolerance
Nominal Pulling Forces [N]
50.3-ND-10-M4
Download the CAD
10
(.39)
+/- .1
(+/- .004)
M4 x .7 8
(.31)
4.5
(.18)
+/- .1
(+/- .004)
25
50.3-ND-13-M5
Download the CAD
13
(.51)
+/- .1
(+/- .004)
M5 x .8 8
(.31)
4.5
(.18)
+/- .1
(+/- .004)
60
50.3-ND-16-M6
Download the CAD
16
(.63)
+/- .1
(+/- .004)
M6 x 1.0 8
(.31)
4.5
(.18)
+/- .1
(+/- .004)
95
50.3-ND-20-M6
Download the CAD
20
(.79)
+/- .1
(+/- .004)
M6 x 1.0 10
(.39)
6
(.24)
+/- .1
(+/- .004)
140
50.3-ND-25-M6
Download the CAD
25
(.98)
+/- .1
(+/- .004)
M6 x 1.0 10
(.39)
7
(.28)
+/- .2
(+/- .008)
200
50.3-ND-32-M6
Download the CAD
32
(1.26)
+/- .1
(+/- .004)
M6 x 1.0 10
(.39)
7
(.28)
+/- .2
(+/- .008)
350