fractional-inch drill · nominal diameter
19/64
drill bit size.
A 19/64 bit measures 0.2969 in across (7.541 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
19/64 · fractional
0.2969 in
7.541 mm Designation19/64fractional
Inch decimal0.2969nominal
Metric conversion7.541millimetres
Where this size sits from 0 to 1 inch 19/64 · 7.541 mm on a zero to 25.4 millimetre scale. Neighbor marks: 7.5 mm, M.
Measured neighbors
What sits beside 19/64.
“Nearest” means nominal diameter only. It does not make a neighboring size acceptable for a tolerance, tapping, reaming, or fastener application.
This row is at the exposed edge of its series.
Source record
Drill Bit Size Chart.
Fractional sizes are exact rational multiples of one inch.
Open source record