#48 Drill Size

number drill

#48 0.076 in 1.93 mm

A #48 drill measures 0.076 in. It taps 1 thread in this chart.

What a #48 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 #48 drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
#3-48	85.0%	#47	75.7%

Other jobs for a #48

Clearance hole: The through hole a bolt passes in, not a tapped hole: normal fit for #0-80. See the clearance hole chart.

Drills either side

#49 0.073 in · 1.85 mm Next size down
#47 0.0785 in · 1.99 mm Next size up

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

#48 drill: common questions

What size is a #48 drill?

0.076 inches, which is 1.93 mm. It is a number drill.

What can I tap with a #48 drill?

1 thread: #3-48 at 85.0%.

Is a #48 drill used for clearance holes?

Yes: normal fit for #0-80. A clearance hole is not tapped; the bolt passes through it.

What drill is next to a #48?

Down: #49 at 0.073 in. Up: #47 at 0.0785 in.