2.4 mm Drill Size

metric drill

2.4 mm 0.0945 in 2.40 mm

A 2.4 mm drill measures 0.0945 in. It taps 2 threads in this chart.

What a 2.4 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 2.4 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
#4-48	64.7%	#42	68.4%
#4-40	53.9%	#43	70.8%

Drills either side

3/32″ 0.0938 in · 2.38 mm Next size down
#41 0.096 in · 2.44 mm Next size up

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

2.4 mm drill: common questions

What size is a 2.4 mm drill?

0.0945 inches, which is 2.40 mm. It is a metric drill.

What can I tap with a 2.4 mm drill?

2 threads: #4-48 at 64.7%, #4-40 at 53.9%.

What drill is next to a 2.4 mm?

Down: 3/32 in at 0.0938 in. Up: #41 at 0.096 in.