BenchReference

#34 Drill Bit

Decimal inches 0.1110″
Millimeters 2.819 mm
System Number (wire gauge)

Nearest equivalents in other systems

System Nearest drill Size Difference
Metric 2.8 mm 0.1102″ / 2.8 mm −0.019 mm (−0.0008″)
Fractional inch 7/64″ 0.1094″ / 2.778 mm −0.041 mm (−0.0016″)
Letter A 0.2340″ / 5.944 mm +3.124 mm (+0.1230″)
−0.226 mm+0.226 mm#34#36−0.114 mm#35−0.025 mm#33+0.051 mm#32+0.127 mm7/64″−0.041 mm2.8 mm−0.019 mmA +3.124 mm →tick position = true diameter · number neighbors above, equivalents below · window ±0.23 mm
Positive difference = cuts a slightly larger hole than #34. Sizes beyond the window are listed with arrows — they are not close substitutes.

Neighboring number sizes

Drill Decimal in mm vs #34
#36 0.1065 2.705 −0.114 mm
#35 0.1100 2.794 −0.025 mm
#34 0.1110 2.819 —
#33 0.1130 2.87 +0.051 mm
#32 0.1160 2.946 +0.127 mm
Data provenance. ASME B94.11M, Twist Drills (standard drill size series) (ASME). Millimeter and inch values are converted with the exact definition 1 in = 25.4 mm; the canonical dimension for this number size is 0.1110″. See all data sources.