2.8 mm Drill Size

metric drill

2.8 mm 0.1102 in 2.80 mm

A 2.8 mm drill measures 0.1102 in. It taps 2 threads in this chart.

What a 2.8 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 2.8 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
#6-32	68.5%	#36	77.6%
#5-44	50.1%	#37	71.1%

Other jobs for a 2.8 mm

Form-tap hole: The published roll-tap hole for M3 x 0.5. A form tap displaces metal instead of cutting it, so it needs this larger hole.

Drills either side

#35 0.110 in · 2.79 mm Next size down
#34 0.111 in · 2.82 mm Next size up

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

2.8 mm drill: common questions

What size is a 2.8 mm drill?

0.1102 inches, which is 2.80 mm. It is a metric drill.

What can I tap with a 2.8 mm drill?

2 threads: #6-32 at 68.5%, #5-44 at 50.1%.

What drill is next to a 2.8 mm?

Down: #35 at 0.110 in. Up: #34 at 0.111 in.