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T-fitting for stainless steel pipe measures in inches with central male with American NPT thread. Minimum package 10 pieces.

Code
diameter
Tube
fillet steak
internal hole
fitting
inches
mm
NPT
mm
STBM-1-1N
1/16"
1.59
1/16"
1.27
STBM-1-2N
1/16"
1.59
1/8"
1.27
 
STBM-2-2N
1/8"
3.17
1/8"
2.28
 
STBM-2-4N
1/8"
3.17
1/4"
2.28
 
STBM-3-2N
3/16"
4.76
1/8"
3.04
 
STBM-3-4N
3/16"
4.76
1/4"
3.04
STBM-4-1N
1/4"
6.35
1/16"
3.04
 
STBM-4-2N
1/4"
6.35
1/8"
4.82  
STBM-4-4N
1/4"
6.35
1/4"
4.82
 
STBM-4-4N
1/4"
6.35
1/4"
4.82
 
STBM-4-6N
1/4"
6.35
3/8"
4.82
STBM-4-8N
1/4"
6.35
1/2"
4.82
 
STBM-5-2N
5/16"
7.93
1/8"
4.82
 
STBM-5-4N
5/16"
7.93
1/4"
6.35
 
STBM-5-6N
5/16"
7.93
3/8"
6.35
 
STBM-6-4N
3/8"
9.52
1/4"
7.11
 
STBM-6-6N
3/8"
9.52
3/8"
7.11
 
STBM-6-8N
3/8"
9.52
1/2"
7.11
STBM-6-12N
3/8"
9.52
3/4"
7.11
 
STBM-8-4N
1/2"
12.70
1/4"
7.11
 
STBM-8-6N
1/2"
12.70
3/8"
10.41
 
STBM-8-8N
1/2"
12.70
1/2"
10.41
 
STBM-8-12N
1/2"
12.70
3/4"
10.41
 
STBM-10-6N
5/8"
15.87
3/8"
9.65
 
STBM-10-8N
5/8"
15.87
1/2"
11.93
 
STBM-10-12N
5/8"
15.87
3/4"
12.70
 
STBM-12-8N
3/4"
19.05
1/2"
11.93
 
STBM-12-12N
3/4"
19.05
3/4"
15.74
 
STBM-14-12N
7/8"
10.22pm
3/4"
15.74
STBM-16-12N
1"
25.4
3/4"
15.74
 
STBM-16-16N
1"
25.4
1"
10.35pm
 
STBM-20-20N
1"1 / 4
31.75
1"1 / 4
27.68
 
STBM-24-24N
1"1 / 2
38.10
1"1 / 2
34.03
 
STBM-32-32N
2"
50.80
2"
45.97