BenchReference

#69 Drill Bit

Decimal inches 0.0292″
Millimeters 0.742 mm
System Number (wire gauge)

Nearest equivalents in other systems

System Nearest drill Size Difference
Metric 1 mm 0.0394″ / 1 mm +0.258 mm (+0.0102″)
Fractional inch 1/32″ 0.0313″ / 0.794 mm +0.052 mm (+0.0020″)
Letter A 0.2340″ / 5.944 mm +5.202 mm (+0.2048″)
−0.15 mm+0.15 mm#69#71−0.081 mm#70−0.03 mm#68+0.046 mm#67+0.071 mm1/32″+0.052 mm1 mm +0.258 mm →A +5.202 mm →tick position = true diameter · number neighbors above, equivalents below · window ±0.15 mm
Positive difference = cuts a slightly larger hole than #69. Sizes beyond the window are listed with arrows — they are not close substitutes.

Neighboring number sizes

Drill Decimal in mm vs #69
#71 0.0260 0.66 −0.081 mm
#70 0.0280 0.711 −0.03 mm
#69 0.0292 0.742 —
#68 0.0310 0.787 +0.046 mm
#67 0.0320 0.813 +0.071 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 0.0292″. See all data sources.