11.3 mm Drill Size

metric drill

11.3 mm 0.4449 in 11.30 mm

A 11.3 mm drill measures 0.4449 in. It taps 3 threads in this chart.

What a 11.3 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 11.3 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
1/2-20	84.8%	29/64″	72.2%
1/2-13	55.1%	27/64″	78.2%
M12 x 1	53.9%	11 mm	77.0%

Other jobs for a 11.3 mm

Form-tap hole: The published roll-tap hole for M12 x 1.5. A form tap displaces metal instead of cutting it, so it needs this larger hole.

Drills either side

11.2 mm 0.4409 in · 11.2 mm Next size down
11.4 mm 0.4488 in · 11.4 mm Next size up

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

11.3 mm drill: common questions

What size is a 11.3 mm drill?

0.4449 inches, which is 11.30 mm. It is a metric drill.

What can I tap with a 11.3 mm drill?

3 threads: 1/2-20 at 84.8%, 1/2-13 at 55.1%, M12 x 1 at 53.9%.

What drill is next to a 11.3 mm?

Down: 11.2 mm at 0.4409 in. Up: 11.4 mm at 0.4488 in.