art No.

Tube O.D.
T

E
Min

h

H

F

G

ℓ

ℓ1

L

Panel
Hole
DrillSize

Max
Panel
Thickness

in

mm

in

mm

in

mm

  20UBU

1-1/4

31.75

27

1-7/8

47.6

1-7/8

47.6

41.1

78.9

47.7

123.1

42.0

20.0

  24UBU

1-1/2

38.10

34

1-1/4

57.1

2-1/4

57.1

50.0

84.8

49.2

139.1

50.0

20.0

  32UBU

2

50.80

46

2-3/4

69.8

3

76.2

67.5

105.6

56.3

180.3

68.0

20.0

Part No.

Tube
O.D.
D

E
Min

h

H

F

G

ℓ

ℓ1

L

Panel
Hole
Drill.Size

Panel
Max
Thickness

in

mm

in

mm

M30UBU

30.0

26

1-15/16

49.2

1-15/16

49.2

39.6

39.2

80.5

48.6

123.7

40.0

20.0

M32UBU

32.0

28

1-15/16

49.2

1-15/16

49.2

42.0

41.6

82.3

49.5

128.3

42.0

20.0

M38UBU

38.0

33

2-3/8

60.3

2-3/8

60.3

49.4

47.9

89.4

51.5

144.6

50.0

20.0