fractional-inch drill · nominal diameter
7/16
drill bit size.
A 7/16 bit measures 0.4375 in across (11.112 mm).
The fractional diameter is exact; decimal and metric values are conversions.
Calibrated relative diameter · 1 in reference
7/16 · fractional
0.4375 in
11.112 mm Designation7/16fractional
Inch decimal0.4375nominal
Metric conversion11.112millimetres
Where this size sits from 0 to 1 inch 7/16 · 11.112 mm on a zero to 25.4 millimetre scale. Neighbor marks: 11.1 mm, 11.2 mm.
Measured neighbors
What sits beside 7/16.
“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