fractional-inch drill · nominal diameter
7/64
drill bit size.
A 7/64 bit measures 0.1094 in across (2.778 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
7/64 · fractional
0.1094 in
2.778 mm Designation7/64fractional
Inch decimal0.1094nominal
Metric conversion2.778millimetres
Where this size sits from 0 to 1 inch 7/64 · 2.778 mm on a zero to 25.4 millimetre scale. Neighbor marks: #35, 2.8 mm.
Measured neighbors
What sits beside 7/64.
“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