14.4 mm Drill Size

metric drill

14.4 mm 0.5669 in 14.40 mm

A 14.4 mm drill measures 0.5669 in. It taps 3 threads in this chart.

What a 14.4 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 14.4 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
M16 x 1.5	82.1%	14.5 mm	77.0%
5/8-18	80.5%	37/64″	65.0%
M16 x 2	61.6%	14 mm	77.0%

Other jobs for a 14.4 mm

Hard-material tap drill: The size to use in stainless or tool steel for M16 x 2, where it leaves a shallower thread than the standard drill and cuts tapping torque.

Drills either side

14.3 mm 0.563 in · 14.3 mm Next size down
14.5 mm 0.5709 in · 14.5 mm Next size up

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

14.4 mm drill: common questions

What size is a 14.4 mm drill?

0.5669 inches, which is 14.40 mm. It is a metric drill.

What can I tap with a 14.4 mm drill?

3 threads: M16 x 1.5 at 82.1%, 5/8-18 at 80.5%, M16 x 2 at 61.6%.

What drill is next to a 14.4 mm?

Down: 14.3 mm at 0.563 in. Up: 14.5 mm at 0.5709 in.