Tube Fittings

Bulkhead Male Connector

Fractional Tube to Male NPT Thread

Tube O.D
T

P
(NPT)

E
Min

Panel
Hole
Drill Size

Max
Panel
Thickness

1/8

3.17

1/8

2.3

1/2

12.70

1/2

12.70

7/16

11.11

12.70

39.9

24.6

46.5

31.2

8.3

12.7

1/4

6.35

1/8

4.8

5/8

15.87

5/8

15.87

9/16

14.28

15.24

42.2

26.2

49.5

33.5

11.5

10.2

1/4

6.35

1/4

4.8

5/8

15.87

5/8

15.87

9/16

14.28

15.24

46.0

26.2

53.3

33.5

11.5

10.2

3/8

9.52

1/4

6.5

3/4

19.05

3/4

19.05

11/16

17.46

16.76

50.0

29.5

57.4

36.8

14.7

11.2

1/2

12.70

3/8

10.0

15/16

23.81

15/16

23.81

7/8

22.22

22.86

53.1

31.8

63.2

41.9

19.4

12.7

1/2

12.70

1/2

10.0

15/16

23.81

15/16

23.81

7/8

22.22

22.86

58.7

31.8

68.8

41.9

19.4

12.7

Metric Tube to Male Tapered Thread

Tube O.D T
(mm)

P
(NPT)

E
Min

Panel
Hole
Drill Size

Max
Panel
Thickness

1/8

2.3

12.7

11.1

12.9

39.9

24.6

46.5

31.2

8.3

12.7

1/8

4.8

15.9

14.3

15.3

42.2

26.2

49.5

33.6

11.5

10.2

1/4

4.8

15.9

14.3

15.3

46.0

26.2

53.3

33.6

11.5

10.2

1/4

6.4

17.5

15.9

16.2

49.0

28.6

57.4

36.1

13.1

11.2

3/8

10.0

23.8

22.2

22.8

53.1

31.8

63.2

41.9

19.5

12.7

1/2

10.0

23.8

22.2

22.8

58.7

31.8

68.8

41.9

19.5

12.7

All Dimensions are for reference only, and are subject to change without prior Notice
Sizes and types other than featured above are available on request.

ManufacturalOur Products

Tube Fittings

Bulkhead Male Connector