820 Thompson Ave. Unit 41, Glendale, CA 91201

Phone: 1-800-896-3459 Fax: 1-866-707-9864
info@precion-inc.net
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Standard JIS Value
Referred JIS Value (1974)
Fastening Torque (kgfcm)
Nominal Screw Diameter
Tensile Strength (kgf)
Independent Twist Failure Torque (kgfcm)
Maximum Fastening Torque (kgfcm)
Recommended Torque
Limits Torque
M2
-
1.9
3
1.8
2.4
M2.3
-
3.3
5
3
4
M2.6
-
4.8
8
4.5
6.4
M3
170
6.3
10
6
8
M3 (ISO)
200
Assumed   (7.5)
Assumed (11)
6
9
M3.5
270
12
19
11
15
M4
320
16
25
15
20
M4 (ISO)
350
Assumed   (20)
Assumed (30)
18
24
M4.5
450
26
40
24
32
M5
510
33
50
30
40
M5 (ISO)
570
Assumed   (38)
Assumed (57)
34
46
M6
800
62
90
54
72
M8
1460
156
220
130
170

Recommended Fastening Torque for Metric Machine Screws

The above data sheet can be used for information purpose only. No responsibility can be accepted for errors or omissions by whatever cause.

Precion, Inc. 820 Thompson Ave. Unit 41, Glendale, CA 91201   ©2009 Precion, Inc. All Rights Reserved.
Please notify us of any errors on the sheet.