Bsp Thread Dimensions Table
Order on line bspt taps rc series.
Bsp thread dimensions table. Bsp is british standard pipe thread also known as whitworth 55 thread form. The actual sizes of the most commonly used bsp threads are listed in table 1 and table 2 for bspp and bspt threads respectively. Order on line bsp taps g series. The british bsp connections include two types of thread bspp which are straight or parallel and bspt which are tapered.
Bspt is british standard pipe taper thread form per as 1722 1 bs 21 iso 7. Index of thread data charts. 55 degree whitworth thread form. Major diameter mm d d.
British standard pipe bsp technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external thread with an internal female thread it has been adopted as standard in plumbing and pipe fitting except in north america where npt and related threads are used. Each thread size is identified with a number which has little to do with the actual size of the thread. British standard pipe taper bspt threads size chart thick ness mm 1 16 28 0 907 7 723 0 304 4 1 8 28 0 907 9 728 0 383 4 6 10 2 0 4 2 1 4 19 1 337 13 157 0 518 6 8 13 5 0 53 2 3. Bspp is british standard pipe parallel thread form per as 1722 2 iso 228.
Pitch diameter mm d2. The actual sizes of the most commonly used bsp threads are listed in table 1 and table 2 for bspp and bspt threads respectively. There are two types of bsp thread available. Whitworth pipe threads are used almost exclusively by countries which are otherwise on the metric system.
Table 3 provides data on pipe sizes associated with these threads. G series pipe thread british standard pipe parallel was bspp bspf pf series pipe thread japanese pipe parallel british pipe thread whitworth form parallel bspp bspf thread designation. Bspt is british standard pipe taper thread thread form per as 1722 1 bs 21 iso 7. British pipe threads taps taps taps drill sizes.
The bspt tapered male will mate with a bspt tapered female usually a port and seals on the thread. Bsp threads dimensions in inches except where stated thread form data tapping drill clearance drill diameter o diameter core pitch depth radius effective dia t p i dec met frac dec met frac 1 8 0 3830 0 3370 0 0357 0 0229 0 0049 0 3601 28 0 3445 8 75mm 0 3858 9 80mm. Bsp is british standard pipe also known as whitworth 55 thread form.