Reference Source

3/4" · British Standard Whitworth (BSW)

For 3/4" · British Standard Whitworth (BSW), thread or drill designation is 3/4"; record type is tap_drill; tap drill or decimal size is 16.25mm or 41/64"; thread series is British Standard Whitworth (BSW), recorded from its source on 2026-08-28; source re-checked 2026-09-15.

Thread or drill designation
3/4" our reading
Record type
tap_drill our reading
Tap drill or decimal size
16.25mm or 41/64" verified
Thread series
British Standard Whitworth (BSW) our reading
Sourcenewmantools.com
Verified
Review by
DatasetTap drill size and drill-size decimal equivalents

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

3/4" | 10 | 16.25mm or 41/64"

newmantools.com, retrieved 2026-08-28

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.