New Holland P2350 Service Manual page 41

Metric International Standards Organization (ISO) fastener torque
Use these torques, unless special torques are specified. Values are for coarse thread fasteners, plated or unplated,
as received from supplier. Fasteners can be dry or lubricated with normal engine oil. Values do not apply if
graphite, molydisulphide or other extreme pressure lubricant is used.
ISO Class No.
Bolt Head
Identification
(See Note
below.)
Bolt Size Nm
Min.
M4 3
M5 6.5
M6 10.5
M8 26
M10 52
M12 90
*M14 144
M16 217
M20 434
M24 675
M30 1250
M36 2175
NOTE: Bolt head identification marks as per grade. Manufacturing marks will vary.
INTRODUCTION
8.8
4
RH04H178
LB FT
Max. Min. Max.
4 2 3
5
8 6
12 8 9
31 19 23
61 38 45
107 66 79
172 106 127
271 160 200
515 320 380
815 500 600
1500 920 1100
2600 1600 1950
47827462 28/04/2017
10.9
5
RH04H179
Nm LB FT
Min. Max. Min.
4 5 3
7
9.5 11
15 17.5 11
37 43 27
73 87 54
125 150 93
200 245 149
310 380 230
610 730 450
1050 1275 780
2000 2400 1470
3500 4200 2580
36
12.9
RH04H180
Nm
Max. Min. Max.
4
Because of the low ductility
of these fasteners, the torque
8
range is to be determined
13
individually for each application.
32
As a general rule, the torque
64
ranges specified for Grade
112
10.9 fasteners can be used
179
satisfactorily on 12.9 fasteners.
280
540
940
1770
3090
6
LB FT
Min. Max.