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Part No.

Tube O.D.
T

E
Min

h

H

F

G

ℓ1

L

L1

Panel
Hole
DrillSize

Max
Panel
Thickness

in

mm

in

mm

in

mm

  2UBU

1/8

3.17

2.28

1/2

12.70

7/16

11.11

12.70

15.24

38.10

24.63

51.30

31.24

8.33

12.70

  3UBU

3/16

4.76

3.04

9/16

14.28

1/2

12.70

13.71

16.00

40.38

25.40

53.59

32.00

9.92

12.70

  4UBU

1/4

6.35

4.82

5/8

15.87

9/16

14.28

15.24

17.78

42.92

26.16

57.65

33.52

11.50

10.16

  5UBU

5/16

7.93

6.35

11/16

17.46

5/8

15.87

16.25

18.54

45.97

28.44

60.70

35.81

13.09

11.17

  6UBU

3/8

9.52

7.11

3/4

19.05

11/16

17.46

16.76

19.30

47.49

29.46

62.23

36.83

14.68

11.17

  8UBU

1/2

12.70

10.41

15/16

23.81

7/8

22.22

22.86

21.84

50.80

31.75

71.12

41.91

19.44

12.70

10UBU

5/8

15.87

12.70

1-1/16

26.81

1

25.40

24.38

21.84

52.32

32.51

72.64

42.67

22.62

12.70

12UBU

3/4

19.05

15.74

1-3/16

30.16

1-1/8

28.57

24.38

21.84

58.67

37.33

78.99

47.49

25.79

16.76

14UBU

7/8

22.22

18.28

1-3/8

34.92

1-1/4

31.75

25.90

21.84

64.26

42.92

84.58

53.08

28.97

19.05

16UBU

1

25.40

22.35

1-5/8

41.27

1-1/2

38.10

31.24

26.41

71.37

45.21

95.75

57.40

33.73

19.05


   Metric Size

Part No.

Tube
O.D.
D

E
Min

h

h1

H

F

G

ℓ1

L

L1

Panel
Hole
Drill.Size

Panel
Max
Thickness

M  3UBU

3

2.4

14

12.7

11.1

12.9

15.3

38.1

24.6

51.3

31.2

8.3

12.7

M  4UBU

4

2.4

14

14.3

11.1

13.7

16.1

40.4

25.4

53.6

32.0

9.9

12.7

M  6UBU

6

4.8

16

15.9

14.3

15.3

17.7

42.9

26.2

57.7

33.6

11.5

10.2

M  8UBU

8

6.4

17

17.5

15.9

16.2

18.6

46.0

28.6

61.0

36.1

13.1

11.2

M10UBU

10

7.9

22

22.0

19.1

17.2

19.5

48.5

29.4

63.7

37.0

16.2

11.2

M12UBU

12

9.5

24

23.8

22.2

22.8

22.0

50.8

31.8

71.0

41.9

19.5

12.7

M15UBU

15

11.9

27

27.0

25.4

24.4

22.0

52.3

32.5

72.5

42.6

22.8

12.7

M16UBU

16

12.7

27

27.0

25.4

24.4

22.0

52.3

32.5

72.5

42.6

22.8

12.7

M18UBU

18

15.1

30

30.2

30.2

24.4

22.0

58.7

37.3

78.9

47.4

26.0

16.8

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