FOREWORD
STANDARD TIGHTENING TORQUE
WA500-3H
00-15
12
00
TIGHTENING TORQUE OF HOSE NUTS
Use these torques for hose nuts.
00
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
Use these torques for split flange bolts.
00
TIGHTENING TORQUE FOR FLARED NUTS
Use these torques for flared part of nut.
Nominal No.
Thread diameter
Width across flat
Tightening torque
mm
mm
Nm
kgm
02
14
19
24.5 ± 4.9
2.5 ± 0.5
03
18
24
49 ± 19.6
5 ± 2
04
22
27
78.5 ± 19.6
8 ± 2
05
24
32
137.3 ± 29.4
14 ± 3
06
30
36
176.5 ± 29.4
18 ± 3
10
33
41
196.1 ± 49
20 ± 5
12
36
46
245.2 ± 49
25 ± 5
14
42
55
294.2 ± 49
30 ± 5
Thread diameter
Width across flat
Tightening torque
mm
mm
Nm
kgm
10
14
65.7 ± 6.8
6.7 ± 0.7
12
17
112 ± 9.8
11.5 ± 1
16
22
279 ± 29
28.5 ± 3
Thread diameter
Width across flat
Tightening torque
mm
mm
Nm
kgm
14
19
24.5 ±4.9
2.5 ±0.5
18
24
49 ±19.6
5 ±2
22
27
78.5 ±19.6
8 ±2
24
32
137.3 ±29.4
14 ±3
30
36
176.5 ±29.4
18 ±3
33
41
196.1 ±49
20 ±5
36
46
245.2 ±49
25 ±5
42
55
294.2 ±49
30 ±5
