1" · British Standard Whitworth (BSW)

For 1" · British Standard Whitworth (BSW), thread or drill designation is 1"; record type is tap_drill; tap drill or decimal size is 22.00; thread series is British Standard Whitworth (BSW), recorded from its source on 2026-08-28; source re-checked 2026-09-15.

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" | 8 | 22.00

— newmantools.com, retrieved 2026-08-28

Source

• newmantools.comhttps://www.newmantools.com/tapdrill.htm

Last verified against source: 2026-09-15. Due for re-check by 2031-08-27. This page as Markdown · OKF bundle · full dataset as JSON.