M2x0.4
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1.0
M8x1.25
M10x1.5
M12x1.75
Thread
Size
Strength Class
0.17
0.36
0.57
1.0
1.3
2.7
4.5
11.0
21.8
38.1
4:6
4:8
5:6
5:8
6:6
8:8
9:8
10:9
12:9
0.17
0.36
0.76
1.0
1.8
3.6
6.0
14.0
29.0
50.8
0.17
0.36
0.71
1.0
1.7
3.3
5.7
13.8
27.3
47.6
0.17
0.36
0.95
1.0
2.2
4.5
7.6
18.4
36.4
64.0
0.17
0.36
0.85
1.0
2.0
4.0
6.8
16.5
32.8
57.0
0.31
0.65
1.5
1.8
3.5
7.1
12.1
29.4
58.3
101
0.31
0.65
1.7
1.8
4.0
8.0
13.6
33.1
66.0
114
0.42
0.86
2.1
2.4
5.0
10.0
17.0
41.3
82.0
143
0.42
0.86
2.6
2.4
6.0
12.0
20.4
49.6
98.0
171
This data relates to the metric coarse thread form
only and are generic reference values that should
be used as a starting point.
Special attention should always be taken of any
recommendations relating to the maximum
tightening torque in the performance section of
our product data.
Tightening Torque values are in Nm
NORTHERN PRECISION LTD
Specialist Fasteners
for Sheet Metal
+44 (0) 1302 836010
+44 (0) 1302 831555
Tel:
Fax:
sales@npfasteners.com
Contact us
You can contact us using any
of the methods below.
Unit 3 Durham Lane
Armthorpe
Doncaster
South Yorkshire DN3 3FE
England
+44 (0)1302 836010
+44 (0)1302 831555
sales@npfasteners.com
All rights reserved
© Northern Precision Ltd.
NORTHERN PRECISION LTD
Accreditations
Northern Precision Ltd operate a quality management
system in accordance with ISO 9001.
The ISO 9001 standard is recognised worldwide and
you can be assured of the benefits of working with a
certified company knowing that our management
systems are constantly assessed and approved.
Regulatory
RoHS|WEEE Compliance
REACH Compliance
Conflict Minerals Policy
Environmental Policy
Opening Hours
Mon - Fri 08:00 - 17:00
Registered in England & Wales
Company number 3275391
V.A.T Registration number
GB 684 1384 17
STANDARD RECOMMENDED MAXIMUM
TIGHTENING TORQUES FOR METRIC THREADS
