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| ISO METRIC IEC 60423 1993 |
| Thread Reference |
Size |
Major Diameter |
TPI Threads Per Inch |
Pitch |
Thread Length |
Min. Hexagon Across Corner |
| M16 |
16mm |
15.97 |
16.93 |
1.50 |
16.0 |
26.5 |
| M20 |
20mm |
19.97 |
16.93 |
1.50 |
16.0 |
33.0 |
| M25 |
25mm |
24.97 |
16.93 |
1.50 |
16.0 |
41.4 |
| M32 |
32mm |
31.97 |
16.93 |
1.50 |
16.0 |
50.6 |
| M40 |
40mm |
39.97 |
16.93 |
1.50 |
16.0 |
60.4 |
| M50 |
50mm |
49.97 |
16.93 |
1.50 |
16.0 |
71.5 |
| M63 |
63mm |
62.97 |
16.93 |
1.50 |
19.0 |
88.0 |
| M75 |
75mm |
74.97 |
16.93 |
1.50 |
19.0 |
99.0 |
| M80 |
80mm |
19.97 |
12.70 |
2.00 |
25.0 |
115.2 |
| M85 |
85mm |
84.97 |
12.70 |
2.00 |
25.0 |
115.2 |
| M90 |
90mm |
89.97 |
12.70 |
2.00 |
25.0 |
125.7 |
| M100 |
100mm |
99.97 |
12.70 |
2.00 |
25.0 |
125.7 |
| NPT ANSI B1.20.1 1983 |
| Thread Reference |
Size |
Major Diameter |
TPI Threads Per Inch |
Pitch |
Thread Length |
Min. Hexagon Across Corner |
| 050NPT |
½" |
21.22 |
14.00 |
1.81 |
19.9 |
26.5 |
| 075NPT |
¾" |
26.57 |
14.00 |
1.81 |
20.1 |
33.0 |
| 100NPT |
1" |
33.23 |
11.50 |
2.20 |
21.5 |
41.4 |
| 125NPT |
1¼" |
41.99 |
11.50 |
2.20 |
25.6 |
50.6 |
| 150NPT |
1½" |
48.05 |
11.50 |
2.20 |
26.0 |
60.5 |
| 200NPT |
2" |
60.09 |
11.50 |
2.20 |
26.9 |
71.5 |
| 250NPT |
2½" |
72.70 |
8.00 |
3.18 |
39.9 |
88.0 |
| 300NPT |
3" |
88.61 |
8.00 |
3.18 |
41.5 |
99.0 |
| 350NPT |
3½" |
101.36 |
8.00 |
3.18 |
42.8 |
115.2 |
| 400NPT |
4" |
113.97 |
8.00 |
3.18 |
44.0 |
125.7 |
| NPS ANSI B1.20.1 1983 |
| Thread Reference |
Size |
Major Diameter |
TPI Threads Per Inch |
Pitch |
Thread Length |
Min. Hexagon Across Corner |
| 050NPS |
½" |
20.90 |
14.00 |
1.81 |
19.9 |
26.5 |
| 075NPS |
¾" |
26.26 |
14.00 |
1.81 |
20.1 |
33.0 |
| 100NPS |
1" |
32.84 |
11.50 |
2.20 |
21.5 |
41.4 |
| 125NPS |
1¼" |
41.61 |
11.50 |
2.20 |
25.6 |
50.6 |
| 150NPS |
1½" |
47.67 |
11.50 |
2.20 |
26.0 |
60.5 |
| 200NPS |
2" |
59.72 |
11.50 |
2.20 |
26.9 |
71.5 |
| 250NPS |
2½" |
72.16 |
8.00 |
3.18 |
39.9 |
88.0 |
| 300NPS |
3" |
88.06 |
8.00 |
3.18 |
41.5 |
99.0 |
| 350NPS |
3½" |
100.78 |
8.00 |
3.18 |
42.8 |
115.2 |
| 400NPS |
4" |
113.43 |
8.00 |
3.18 |
44.0 |
125.7 |
| PG DIN 40430 1971 (W/D) |
| Thread Reference |
Size |
Major Diameter |
TPI Threads Per Inch |
Pitch |
Thread Length |
Min. Hexagon Across Corner |
| PG7 |
PG7 |
12.50 |
20.00 |
1.27 |
16.0 |
26.5 |
| PG9 |
PG9 |
15.20 |
18.00 |
1.41 |
16.0 |
26.5 |
| PG11 |
PG11 |
18.60 |
18.00 |
1.41 |
16.0 |
26.5 |
| PG13.5 |
PG13.5 |
20.40 |
18.00 |
1.41 |
16.0 |
26.5 |
| PG16 |
PG16 |
22.50 |
18.00 |
1.41 |
16.0 |
33.0 |
| PG21 |
PG21 |
28.30 |
16.00 |
1.59 |
16.0 |
41.4 |
| PG29 |
PG29 |
37.00 |
16.00 |
1.59 |
16.0 |
50.6 |
| PG36 |
PG36 |
47.00 |
16.00 |
1.59 |
16.0 |
60.5 |
| PG42 |
PG42 |
54.00 |
16.00 |
1.59 |
16.0 |
71.5 |
| PG48 |
PG48 |
59.30 |
16.00 |
1.59 |
16.0 |
88.0 |
| F48 |
PG48 (FR) |
59.61 |
11.00 |
2.31 |
26.9 |
71.5 |
| ISO Pipe Parallel ISO R/7; BS2779 (BSPP, G,
R, PF) |
| Thread Reference |
Size |
Major Diameter |
TPI Threads Per Inch |
Pitch |
Thread Length |
Min. Hexagon Across Corner |
| 050BSP |
½" |
20.96 |
14.0 |
1.81 |
19.9 |
26.5 |
| 075BSP |
¾" |
26.44 |
14.0 |
1.81 |
20.1 |
33.0 |
| 100BSP |
1" |
33.25 |
11.0 |
2.31 |
25.0 |
41.4 |
| 125BSP |
1¼" |
41.91 |
11.0 |
2.31 |
25.6 |
50.6 |
| 150BSP |
1½" |
47.80 |
11.0 |
2.31 |
26.0 |
60.5 |
| 200BSP |
2" |
59.61 |
11.0 |
2.31 |
26.9 |
71.5 |
| 250BSP |
2½" |
75.18 |
11.0 |
2.31 |
39.9 |
88.0 |
| ISO Pipe Taper to ISO R/7; BS21(BSPT,
GK) |
| Thread Reference |
Size |
Major Diameter |
TPI Threads Per Inch |
Pitch |
Thread Length |
Min. Hexagon Across Corner |
| 050BST |
½" |
20.96 |
14.0 |
1.81 |
19.9 |
26.5 |
| 075BST |
¾" |
26.44 |
14.0 |
1.81 |
20.1 |
33.0 |
| 100BST |
1" |
33.25 |
11.0 |
2.31 |
25.0 |
41.4 |
| 125BST |
1¼" |
41.91 |
11.0 |
2.31 |
25.6 |
50.6 |
| 150BST |
1½" |
47.80 |
11.0 |
2.31 |
26.0 |
60.5 |
| 200BST |
2" |
5961 |
11.0 |
2.31 |
26.9 |
71.5 |
| 250BST |
2½" |
75.18 |
11.0 |
2.31 |
39.9 |
88.0 |
| ALL DIMENSIONS ARE IN
MILLIMETRES | |
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Peppers America, Inc
857 Via De La Paz, Suite D
Pacific Palisades, CA 90272
310-459-1605
Part of the American Sales Company
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