22 mm Drill Size

metric drill

22 mm 0.8661 in 22.00 mm

A 22 mm drill is the standard tap drill for M24 x 2.

What a 22 mm 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 22 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
1-8	82.5%	7/8″	77.0%
M24 x 2 chart drill	77.0%	22 mm	77.0%
M24 x 3	51.3%	21 mm	77.0%

Drills either side

55/64″ 0.8594 in · 21.83 mm Next size down
7/8″ 0.875 in · 22.23 mm Next size up

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

22 mm drill: common questions

What size is a 22 mm drill?

0.8661 inches, which is 22.00 mm. It is a metric drill.

What can I tap with a 22 mm drill?

3 threads: 1-8 at 82.5%, M24 x 2 at 77.0%, M24 x 3 at 51.3%.

Is a 22 mm drill the standard tap drill for anything?

Yes, for M24 x 2 (77.0% thread). That is the size published tap and drill charts give.

What drill is next to a 22 mm?

Down: 55/64 in at 0.8594 in. Up: 7/8 in at 0.875 in.