fractional-inch drill · nominal diameter
11/32
drill bit size.
A 11/32 bit measures 0.3438 in across (8.731 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
11/32 · fractional
0.3438 in
8.731 mm Designation11/32fractional
Inch decimal0.3438nominal
Metric conversion8.731millimetres
Where this size sits from 0 to 1 inch 11/32 · 8.731 mm on a zero to 25.4 millimetre scale. Neighbor marks: 8.7 mm, 8.8 mm.
Measured neighbors
What sits beside 11/32.
“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