Tube Fittings

Bulkhead Female Connector

Fractional Tube to Female 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

9/16

14.28

1/2

12.70

7/16

11.11

12.7

38.1

24.6

44.7

31.2

8.3

12.7

1/4
1/4

6.35
6.35

1/8
1/4

4.8
4.8

5/8
3/4

15.87
19.05

5/8
5/8

15.87
15.87

9/16
9/16

14.28
14.28

15.2
15.2

39.6
44.5

26.2
26.2

47.0
51.8

33.5
33.5

11.5
11.5

10.2
10.2

3/8

9.52

1/4

7.0

3/4

19.05

3/4

19.05

11/16

17.46

16.8

47.8

29.5

55.1

36.8

14.7

11.2

1/2
1/2

12.70
12.70

3/8
1/2

10.0
10.0

15/16
1-1/16

23.81
26.98

15/16
15/16

23.81
23.81

7/8
7/8

22.22
22.22

22.9
22.9

51.6
56.4

31.8
31.8

61.7
66.5

41.9
41.9

19.4
19.4

12.7
12.7

Metric Tube to Female Tapered Thread

Tube O.D T (mm)	P (NPT)	E Min	h	h1	H	F	I	I1	L	L1	Panel Hole Drill Size	Max Panel Thickness
3	1/8	2.3	14.3	12.7	11.1	12.9	38.1	24.6	44.7	31.2	8.3	12.7
6 6	1/8 1/4	4.8 4.8	15.9 19.1	15.9 15.9	14.3 14.3	15.3 15.3	39.6 44.5	26.2 26.2	47.0 51.8	33.6 33.6	11.5 11.5	10.2 10.2
8	1/4	7.0	19.1	17.5	15.9	16.2	49.0	28.4	54.2	36.1	13.1	11.2
12 12	3/8 1/2	10.0 10.0	23.8 27.0	23.8 23.8	22.2 22.2	22.8 22.8	51.6 56.4	31.8 31.8	61.7 66.5	41.9 41.9	19.5 19.5	12.7 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.

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Tube Fittings

Bulkhead Female Connector