#41 Drill Size

number drill

#41 0.096 in 2.44 mm

A #41 drill measures 0.096 in. It taps 1 thread in this chart.

What a #41 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 #41 drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
#4-48	59.1%	#42	68.4%

Other jobs for a #41

Hard-material tap drill: The size to use in stainless or tool steel for #4-48, where it leaves a shallower thread than the standard drill and cuts tapping torque.

Drills either side

2.4 mm 0.0945 in · 2.4 mm Next size down
2.45 mm 0.0965 in · 2.45 mm Next size up

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

#41 drill: common questions

What size is a #41 drill?

0.096 inches, which is 2.44 mm. It is a number drill.

What can I tap with a #41 drill?

1 thread: #4-48 at 59.1%.

What drill is next to a #41?

Down: 2.4 mm at 0.0945 in. Up: 2.45 mm at 0.0965 in.