Tap Drill Size Chart

3/32 in Drill Size

fractional drill

3/32″ 0.0938 in 2.38 mm

A 3/32 in drill measures 0.0938 in. It taps 2 threads in this chart.

What a 3/32 in 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 3/32 in drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread % thread Chart drill Chart %
#4-48 67.2% #42 68.4%
#4-40 56.0% #43 70.8%

Other jobs for a 3/32 in

Clearance hole
The through hole a bolt passes in, not a tapped hole: close fit for #2-56, loose fit for #0-80, close fit for #2-64. See the clearance hole chart.

Drills either side

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3/32 in drill: common questions

What size is a 3/32 in drill?
0.0938 inches, which is 2.38 mm. It is a fractional drill.
What can I tap with a 3/32 in drill?
2 threads: #4-48 at 67.2%, #4-40 at 56.0%.
Is a 3/32 in drill used for clearance holes?
Yes: close fit for #2-56, loose fit for #0-80, close fit for #2-64. A clearance hole is not tapped; the bolt passes through it.
What drill is next to a 3/32 in?
Down: #42 at 0.0935 in. Up: 2.4 mm at 0.0945 in.