57/64 in Drill Size

fractional drill

57/64″ 0.8906 in 22.62 mm

A 57/64 in drill measures 0.8906 in. It taps 3 threads in this chart.

What a 57/64 in drill taps

Every thread this drill cuts between 50% and 85% of thread, deepest first. Outside that band it is the wrong drill for the job, so nothing below that line is listed.

Threads a 57/64 in drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
M24 x 1.5	70.7%	22.5 mm	77.0%
1-8	67.4%	7/8″	77.0%
M24 x 2	53.0%	22 mm	77.0%

Drills either side

22.5 mm 0.8858 in · 22.5 mm Next size down
23 mm 0.9055 in · 23 mm Next size up

All drill sizes → · Open this drill in the calculator →

57/64 in drill: common questions

What size is a 57/64 in drill?

0.8906 inches, which is 22.62 mm. It is a fractional drill.

What can I tap with a 57/64 in drill?

3 threads: M24 x 1.5 at 70.7%, 1-8 at 67.4%, M24 x 2 at 53.0%.

What drill is next to a 57/64 in?

Down: 22.5 mm at 0.8858 in. Up: 23 mm at 0.9055 in.