Other naming systemsABSOLUTE DIAMETER DELTA
fractional-inch drill · nominal diameter
19/32
drill bit size.
A 19/32 bit measures 0.5938 in across (15.081 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
19/32 · fractional
0.5938 in
15.081 mm Designation19/32fractional
Inch decimal0.5938nominal
Metric conversion15.081millimetres
Where this size sits from 0 to 1 inch 19/32 · 15.081 mm on a zero to 25.4 millimetre scale. Neighbor marks: 37/64, 39/64.
Measured neighbors
What sits beside 19/32.
“Nearest” means nominal diameter only. It does not make a neighboring size acceptable for a tolerance, tapping, reaming, or fastener application.
Source record
Drill Bit Size Chart.
Fractional sizes are exact rational multiples of one inch.
Open source record