Extract from ISO 5211 Standards

ISO 5211 standards

ISO 5211 defines the actuator mounting dimensions and drive square size.

See the chart below for the ISO 5211 common dimensions and imperial/metric equivalents. You can also open/download and print-out the easy reference ISO 5211 pdf file.

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MM INCHAØdØZNumber of BoltsBolt ØG
F0325.4
1.00
5.5
7/32
36
1.417
4M5
10 – 24
9
.354
F0429.7
1.17
5.5
7/32
42
1.654
4M5
10 – 24
11
.433
F0535.4
1.39
6.5
5/16
50
1.969
4M6
1/4 – 20
14
.551
F0749.5
1.95
8.5
3/8
70
2.756
4M8
5/16 – 18
17
.669
F1072.1
2.84
10.5
7/16
102
4.016
4M10
3/8 – 16
22
.866
F1288.4
3.48
12.5
9/16
125
4.921
4M12
1/2 – 13
27
1.063
F1499
3.90
17
3/4
140
5.512
4M16
5/8 – 11
36
1.417
F16116.7
4.59
21
7/8
165
6.496
4M20
3/4 – 10
46
1.811

Dimensions in mm and in.

For the complete standard please visit www.iso.org/standard/62594.html.

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