fractional-inch drill · nominal diameter
15/32
drill bit size.
A 15/32 bit measures 0.4688 in across (11.906 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
15/32 · fractional
0.4688 in
11.906 mm Designation15/32fractional
Inch decimal0.4688nominal
Metric conversion11.906millimetres
Where this size sits from 0 to 1 inch 15/32 · 11.906 mm on a zero to 25.4 millimetre scale. Neighbor marks: 11.9 mm, 12 mm.
Measured neighbors
What sits beside 15/32.
“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