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Tubular Box Spanners
 

Metric - Double Ended

Part No.Size Across FlatsLength (ins - mm)Across Hexagon Flats (ins)T Bar (mm)

 TM.l

6x7

4- 100

.238 x .278

4.8

 TM.4

8x9

4- 100

.319 x .358

4.8

 TM.6

10 x 11

4- 100

.398 x .437

6.35

 TM.7

10 x 11

7 - 175

.398 x .437

6.35

 TM.8

12 x 13

3 1/4 - 82

.476 x .516

6.35

 TM.9

12 x 13

4 - 100

.476 x .516

6.35

 TM.l0

12 x 13

7 - 175

.476 x .516

6.35

 TM.l1

12 x 14

4 - 100

.476 x .555

6.35

 TTS/33

13 x 13

7 - 125

.516 x 526

6.35

 TM.13

13 x 13

3 1/4 - 82

.555 x .595

6.35

 TM.14

16 x 17

5 - 125

.634 x .673

6.35

 TM.16

17 x 19

5 - 125

.673 x .752

8

 TM.17

18 x 19

5 - 125

.713 x .752

9.5

 TM.19

20 x 21

5 - 125

.793 x .833

9.5

 TM.20

20 x 22

5 - 125

.793 x .872

9.5

TM.21

21 x 22

3 1/4 - 82

.833 x .872

9.5

TM.22

22 x 23

5 - 125

.872 x .912

9.5

TTS/40

24 x 24

7 - 125

.955 x .955

12.7

TM.24

24 x 25

6 - 150

.955 x .955

12.7

TM.25

24 x 26

5 - 125

.953 x 1.023

12.7

TM.26

27 x 32

6 - 150

.953 x 1.023

12.7

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

ISO Metric 

Part No.

ISO Across Flats

ISO-metric (mm)

Length (ins - mm)Across Hexagon Flats (ins)Nominal Bolt Size T Bar (mm)

 TIM.l

3.2 x 4

4- 100

.126 x .157

M1.6 x M2

4.8

 TIM.2

5 X 5.5

4- 100

.196 x .127

M2.5 x M3

4.8

 TIM.3

7 x 8

4- 100

.278 x .319

M4 x M5

6.35

 TIM.4

8 x 10

4- 100

.319 x .398

M5 x M6

6.35

 TIM.5

13 X 17 

5 - 125

.516 x .673

M8 x M10

6.35

 TIM.6

19 x 22

5 - 125

.752 x .872

M12 x M14

8

 TIM.7

24 X 27

6 - 150

.953 x 1.062

M16 x M18

9

 TIM.8

30 x 32

6 - 150

1.181 x 1.259

M20 x M22

9

 TIM.9

36 x 41

7 - 175

1.417 x 1.614

M24 x M27

12.7

 TIM.10

46 x 50

7 - 175

1.811 x 1.968

M30 x M33

15.5

 TIM.11

55 x 60

8 - 200

2.165 x 2.362

M36 x M39

15.5

 TIM.12

65 X 70

8 - 200

2.559 x 2.755

M42 x M45

15.5

 TIM.13

75 x 80

8 - 200

2.953 x 3.149

M48 x M52

15.5

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Metric - Single Ended

Part No.Size (MM)

Length

(ins - mm)

Across Hexagon

Flats (ins)

T Bar (mm)

SME.5

10

2 - 50

.398

6.35

SME.6

11

2 - 50

.437

6.35

SME.8

13

3 - 75

.516

6.35

 
 
 
 
 
 
 
 
 
 
 
 
 
 

BA Double & Single Ended

Part No.Size BA

Length

(ins - mm)

Across

Hexagon

Flats (ins)

T Bar

(mm)

TBA.1

0 x 1

3 - 75

.413 x .365

6.35

TBA.3

0 x 2

3 - 75

.415 x .324

6.35

TBA.42 x 3

3 - 75

.324 x .2824.8
TBA.74 x 5

3 - 75

.248 x .2204.8

TBA.9

4 x 6

3 - 75

.248 x .1934.8

TBA.10

6 x 7 

3 - 75

.193 x .1723.2

TBA.13

8 x 9

3 - 75

.152 x .131 3.2

TBA.20

10 BA

3 - 75

.117

3.2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

AF Double ended box spanners

 
 
 
 
Spanner sizes are the same as the width of the nut measured in inches across the hexagon flats.
 
Bright plated finish or silver epoxy.
 

Part No.

Size

(ins)

Length

(ins-mm)

Across Hexagon

Flats (ins)

Hole Size

(mm)

TA.0

1/4 x 5/16

4 - 100

.250 x .312

4.8

TA.1

5/16 x 3/8

4 - 100

.312 x .375

6.35

TA.2

3/8 x 7/16

4 - 100

.375 x .437

6.35

TA.4

7/16 x 1/2

4 - 100

.437 x .5008

TA.6

1/2 x 9/16

4 - 100

.500 x .5628

TA.8

9/16 x 5/85 - 125 .562 x .6258

TA.11

5/8 x 3/45 - 125 .625 x .7509.5

TA.12

11/16 x 3/46 - 150 .687 x .7509.5

TA.14

3/4 x 7/85 - 125 .750 x .8759.5

TA.16

13/16 x 7/85 - 125 .812 x .8759.5

TA.17

7/8 x 15/165 - 125

 .875 x .937

9.5

TA.18

7/8 x 16 - 150 .875 x 1.0009.5

TA.20

15/16 x 17 - 175 .937 x 1.0009.5

TA.21

1 x 1-1/87 - 175 1.000 x 1.1259.5

TA.22

15/16 x 1-1/8

6 - 150

.937 x 1.1259.5

TA.23

1-1/4 x 1-7/16

7-1/2 - 190

1.250 x 1.43712.7

TA.24

1-5/16 x 1-1/2

7-1/2 - 190

1.312 x 1.500

12.7

TA.25

1-5/8 x1-13/16

7-1/2 - 190

1.625 x 1.812

12.7

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Double ended box spanners (Whitworth)

 
 
 
 
 
Spanner sizes are determined by the size of the thread on the bolt or stud. Sizes given are BS 2558 Grade B.
 
Bright plated finish or silver epoxy.
 

Part No.

Size

(ins)

Length

(ins - mm)

Across Hexagon

Flats (ins)

Hole Size

(mm)

TW.2

1/8 x 3/16

4 - 100

.338 x .445

6.35

TW.4

3/16 x 1/4

4 - 100

.445 x .525

8

TW.7

1/4 x 5/16

4 - 125

.525 x .600

8

TW.10

5/16 x 3/8

5 - 125

.600 x .7108

TW.13

3/8 x 7/16

5 - 125

.710 x .8209.5

TW.14

7/16 x 1/25 - 125.820 x .9209.5

TW.16

1/2 x 9/166 - 150.920 x 1.0109.5

TW.18

9/16 x 5/86 - 1501.010 x 1.1009.5

TW.20

5/8 x 11/166 - 1501.100 x 1.2009.5

TW.21

5/8 x 3/47 - 1751.200 x 1.3009.5

TW.23

3/4 x 7/87 - 175

1.300 x 1.480

9.5

TW.24

7/8 x 17 - 1751.480 x 1.67012.7

TW.25

1 x 1-1/87 - 1751.670 x 1.86012.7

TW.27

1-1/4 x 1-1/27 - 1752.050 x 2.41012.7

TW.28

1-3/8 x 1-1/2

8-1/2 x 215

2.220 x 2.41012.7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Single Ended box spanner (Whitworth)

Part No.Size (mm)Length (ins - mm)

Across Hexagon

Flats (ins)

T Bar (mm)
SW.121 - 1/4 Whit x 526 - 1502.0512.7

SM.54

54 mm

5 - 125

2.05

12.7

 
 
 
 
 
 
 
 
 
 
 
  
 
Tubular Box Spanner sets

Metric

Part No.Description
Set-1m6 - 19mm + Bars
Set-2m

12 - 27mm + Bars

AF

Part No.Description
Set-3AF3/8" - 1 1/8" AF + Bars
  
 
 
 
 
 
 
 
 
 

Whitworth

Part No.Description
Set-4W1/8" - 1 Whit + Bars

BA

Part No.Description
Set-53B0 - 10 BA + Bars
 
 
 
 
 
 
 
 
 

Tommy Bars

Part No

Diameter

(ins - mm)

Length

(ins - mm)

Type

T.30

1/8 - 3.2

2-3/8 - 60 Parallel

T.31

3/16 - 4.8

3 - 75
Parallel

T.32

1/4 - 6.35
3 - 75
Parallel

T.33

1/4 - 6.35
4 - 100
Parallel

T.34

1/4 - 6.35
6 - 150
Parallel

T.35

5/16 - 8
4 3/4 - 120
Parallel

T.36

5/16 - 8
6 - 150
Parallel

T.38

3/8 - 9
6 - 150

Parallel

T.39

3/8 - 9
8 - 200
Parallel

T.42

5/16 to 3/8 - 8 to 9
6 - 150

Stepped

T.44

1/2 - 12.7
7 1/2 - 175

Parallel

T.47

5/8 - 15.5
12 - 300
Parallel
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Special Order box spanners

 
 
 
 
Tubular Box Spanners are available to your own specification subject to quantity & acceptance.