fractional-inch drill · nominal diameter
9/32
drill bit size.
A 9/32 bit measures 0.2813 in across (7.144 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
9/32 · fractional
0.2813 in
7.144 mm Designation9/32fractional
Inch decimal0.2813nominal
Metric conversion7.144millimetres
Where this size sits from 0 to 1 inch 9/32 · 7.144 mm on a zero to 25.4 millimetre scale. Neighbor marks: K, 7.1 mm.
Measured neighbors
What sits beside 9/32.
“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