2.85 mm Drill Size

metric drill

2.85 mm 0.1122 in 2.85 mm

A 2.85 mm drill measures 0.1122 in. It taps 3 threads in this chart.

What a 2.85 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 2.85 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
M3.5 x 0.6	83.4%	2.9 mm	77.0%
#6-40	79.4%	#33	77.0%
#6-32	63.6%	#36	77.6%

Drills either side

#34 0.111 in · 2.82 mm Next size down
#33 0.113 in · 2.87 mm Next size up

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

2.85 mm drill: common questions

What size is a 2.85 mm drill?

0.1122 inches, which is 2.85 mm. It is a metric drill.

What can I tap with a 2.85 mm drill?

3 threads: M3.5 x 0.6 at 83.4%, #6-40 at 79.4%, #6-32 at 63.6%.

What drill is next to a 2.85 mm?

Down: #34 at 0.111 in. Up: #33 at 0.113 in.