fractional-inch drill · nominal diameter
15/64
drill bit size.
A 15/64 bit measures 0.2344 in across (5.953 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
15/64 · fractional
0.2344 in
5.953 mm Designation15/64fractional
Inch decimal0.2344nominal
Metric conversion5.953millimetres
Where this size sits from 0 to 1 inch 15/64 · 5.953 mm on a zero to 25.4 millimetre scale. Neighbor marks: A, 6 mm.
Measured neighbors
What sits beside 15/64.
“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