Application |
Thread Type |
Thread Sketch |
Thread Code |
Pitch |
For general industry |
Partical Profile
60° |
|
60 |
0.5-5.0
(mm) |
Partical Profile
55° |
|
55 |
48-5
(TPI) |
ISO Metric |
|
ISO |
1.0-5.0
(mm) |
UN |
|
UN |
24-8
(TPI) |
Thread for pipe fittings and
couplings for gas, water and
sewage |
Whitworth |
|
W |
19-11
(TPI) |
NPT |
|
NPT |
27-8
(TPI) |
Thread for pipe fittings and
couplings for gas, steam and
water lines |
BSPT |
|
BSPT |
28-11
(TPI) |
Thread for pipe couplings in
food and firefighting industry |
Round
(DIN 405)
|
|
RD |
10-4
(TPI) |