Nut Tightening Torques


Note - Tightening torques relate to counterpart made of steel.

BSP Hydraulic Adaptor Connections

O.R.F.S Hydraulic Hose Connections

Nominal Size Of Nut

 

Nominal Size Of Nut

 

 

BSP Size

Tightening Torque

SAE Dash

Thread

Equivalent BSP Size

Tightening Torque

 

NM

Lbsf/ft

 

 

 

NM

Lbsf/ft

1/8

17

12

-4

9/16-18

1/4

24

18

1/4

34

25

-6

11/16-16

3/8

33

24

3/8

47

35

-8

13/16-16

1/2

44

35

1/2

102

75

-10

1-14

5/8

58

43

5/8

122

90

-12

1-3/16-12

3/4

84

62

3/4

149

110

-16

1-7/16-12

1

115

85

1

203

150

-20

1-11/16-12

1-1/4

189

140

1-1/4

305

225

-24

2-12

1-1/2

244

180

1-1/2

305

225

 

 

 

 

 

2

400

296

 

 

 

 

 

 

METRIC

JIC & SAE  Connections

Nominal Size Of Nut

 

Nominal Size Of Nut

 

 

BSP Size

Tightening Torque

 

Tightening Torque

 

NM

Lbsf/ft

 

NM

Lbsf/ft

M10

18

13

5/16-24

10

7

M12

20

15

3/8-24

10

7

M14

25

19

7/16-20

14

10

M16

45

33

1/2-20

20

15

M18

50

37

9/16-18

22

20

M20

70

52

5/8-18

27

20

M22

75

55

3/4-16

48

35

M26

110

81

7/8-14

81

60

M27

130

96

1-1/16-12

108

79

M33

220

162

1-3/16-12

136

100

M42

230

170

1-5/16-12

148

108

M48

350

258

1-5/8-12

173

127

 

 

 

1-7/8-12

216

158

 

 

 

2-1/2-12

334

245