138 / 156
8/2
Adaptaflex Product Catalogue |
LIT211GB 0715
8
Technical section
Thread data
Metric Thread Data
Standard Thread Conforming to EN60423 & BS3643
Thread
External Thread
Internal Thread
Size
Outside Diameter
Inside Diameter
Pitch
M8
8mm
6.9mm
1mm
M10
10mm
8.9mm
1mm
M12
12mm
10.9mm
1mm
M12
12mm
10.4mm
1.5mm
M16
16mm
14.4mm
1.5mm
M18
18mm
16.9mm
1mm
M20
20mm
18.4mm
1.5mm
M25
25mm
23.4mm
1.5mm
M30
30mm
28.4mm
1.5mm
M32
32mm
30.4mm
1.5mm
M40
40mm
38.4mm
1.5mm
M50
50mm
48.4mm
1.5mm
M63
63mm
61.4mm
1.5mm
M75
75mm
73.4mm
1.5mm
NOTE: Dimensions are nominal
PG Thread Data
German Standard Thread Conforming to DIN40430
Thread
External Thread
Internal Thread
Size
Outside Diameter
Inside Diameter
Pitch
PG7
12.5mm
11.3mm
1.27mm
PG9
15.2mm
13.9mm
1.41mm
PG11
18.6mm
17.3mm
1.41mm
PG13.5
20.4mm
19.1mm
1.41mm
PG16
22.5mm
21.2mm
1.41mm
PG21
28.3mm
26.8mm
1.59mm
PG29
37mm
35.5mm
1.59mm
PG36
47mm
45.5mm
1.59mm
PG42
54mm
52.5mm
1.59mm
PG48
59.3mm
57.8mm
1.59mm
NOTE: Dimensions are nominal
PF Thread Data
Japanese Conduit Thread Conforming to JIS B 0202
Thread
External Thread
Internal Thread
Size
Outside Diameter
Inside Diameter
Pitch
1/4”
13mm
1.34mm
3/8”
16.7mm
15.0mm
1.34mm
1/2”
21.0mm
18.6mm
1.81mm
3/4”
26.4mm
24.1mm
1.81mm
1”
33.3mm
30.3mm
2.31mm
1 1/4”
41.9mm
39.0mm
2.31mm
1 1/2”
47.8mm
44.8mm
2.31mm
2”
59.6mm
56.7mm
2.31mm
NOTE: Dimensions are nominal
NPT Thread Data
US Taper Seal Pipe Thread Conforming to ANSI/ASME B1.20.1 - 1983
Thread
External Thread
Size
Outside Diameter
Pitch
3/8”
16.7mm
1.14mm
1/2”
21.0mm
1.81mm
3/4”
26.4mm
1.81mm
1”
33.3mm
2.21mm
1 1/4”
41.9mm
2.21mm
1 1/2”
47.8mm
2.21mm
2”
59.6mm
2.21mm
NOTE: Dimensions are nominal
UNEF / UNS Thread Data
American Unified Thread conforming to BS1580
Thread
External Thread
Internal Thread
Size
Outside Diameter
Inside Diameter
Pitch
5/8”
15.9mm
14.7mm
1.06mm
3/4”
19.1mm
17.7mm
1.27mm
13/16”
20.6mm
19.3mm
1.27mm
7/8”
22.2mm
20.9mm
1.27mm
15/16”
23.8mm
22.4mm
1.27mm
1”
25.4mm
24.0mm
1.27mm
1 1/8”
28.6mm
27.0mm
1.41mm
1 3/16”
30.2mm
28.6mm
1.41mm
1 1/4”
31.8mm
30.2mm
1.41mm
1 5/16”
33.3mm
31.8mm
1.41mm
1 3/8”
34.9mm
33.4mm
1.41mm
1 7/16”
36.5mm
35.0mm
1.41mm
1 3/4”
44.5mm
42.9mm
1.41mm
2”
50.8mm
49.3mm
1.59mm
2 1/4”
57.2mm
55.4mm
1.59mm
NOTE: Dimensions are nominal