5.6 mm Drill Size

metric drill

5.6 mm 0.2205 in 5.60 mm

A 5.6 mm drill measures 0.2205 in. It taps 2 threads in this chart.

What a 5.6 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 5.6 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
1/4-32	72.7%	7/32″	76.9%
1/4-28	63.6%	#3	79.8%

Other jobs for a 5.6 mm

Form-tap hole: The published roll-tap hole for M6 x 1. A form tap displaces metal instead of cutting it, so it needs this larger hole.

Drills either side

7/32″ 0.2188 in · 5.56 mm Next size down
#2 0.221 in · 5.61 mm Next size up

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

5.6 mm drill: common questions

What size is a 5.6 mm drill?

0.2205 inches, which is 5.60 mm. It is a metric drill.

What can I tap with a 5.6 mm drill?

2 threads: 1/4-32 at 72.7%, 1/4-28 at 63.6%.

What drill is next to a 5.6 mm?

Down: 7/32 in at 0.2188 in. Up: #2 at 0.221 in.