BenchReference

29/32″ Drill Bit

Decimal inches 0.9063″
Millimeters 23.019 mm
System Fractional inch
In 64ths 58/64″

Nearest equivalents in other systems

System Nearest drill Size Difference
Metric 21 mm 0.8268″ / 21 mm −2.019 mm (−0.0795″)
Number (wire gauge) #1 0.2280″ / 5.791 mm −17.228 mm (−0.6782″)
Letter Z 0.4130″ / 10.49 mm −12.529 mm (−0.4932″)
−1.841 mm+1.841 mm29/32″7/8″−0.794 mm57/64″−0.397 mm59/64″+0.397 mm15/16″+0.794 mm← 21 mm −2.019 mm← #1 −17.228 mmtick position = true diameter · fractional neighbors above, equivalents below · window ±1.84 mm
Positive difference = cuts a slightly larger hole than 29/32″. Sizes beyond the window are listed with arrows — they are not close substitutes.

Clearance drill for

Thread Fit
3/4″-10 UNC loose
7/8″-9 UNC close
3/4″-16 UNF loose
7/8″-14 UNF close

Neighboring fractional sizes

Drill Decimal in mm vs 29/32″
7/8″ 0.8750 22.225 −0.794 mm
57/64″ 0.8906 22.622 −0.397 mm
29/32″ 0.9063 23.019 —
59/64″ 0.9219 23.416 +0.397 mm
15/16″ 0.9375 23.813 +0.794 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 fractional size is 0.9063″. See all data sources.