1/2 · British Standard Pipe Taper (BSPT)
For 1/2, thread series is British Standard Pipe Taper (BSPT); record type is tap_drill; tap drill or decimal size is 18.25mm, recorded from its source on 2026-08-28; source re-checked 2026-11-03.
- Thread or drill designation
- 1/2 our reading
- Record type
- tap_drill our reading
- Tap drill or decimal size
- 18.25mm verified
- Thread series
- British Standard Pipe Taper (BSPT) our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
1/2 | 14 | 0.825 | 19.00mm | 18.25mm
— newmantools.com, retrieved 2026-08-28
Source
- newmantools.comhttps://www.newmantools.com/tapdrill.htm