1-1/2" · British Standard Pipe Parallel (BSP)
For 1-1/2", thread series is British Standard Pipe Parallel (BSP); record type is tap_drill; tap drill or decimal size is 45.5 mm, recorded from its source on 2026-08-28; source re-checked 2026-11-03.
- Thread or drill designation
- 1-1/2" our reading
- Record type
- tap_drill our reading
- Tap drill or decimal size
- 45.5 mm verified
- Thread series
- British Standard Pipe Parallel (BSP) 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
1-1/2" | 11 | 1.882 | 45.5 mm
— newmantools.com, retrieved 2026-08-28
Source
- newmantools.comhttps://www.newmantools.com/tapdrill.htm