Tap Drill Size Chart

#36 Drill Size

number drill

#36 0.1065 in 2.71 mm

A #36 drill is the standard tap drill for #6-32.

What a #36 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 #36 drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread % thread Chart drill Chart %
#6-32 chart drill 77.6% #36 77.6%
#5-44 62.7% #37 71.1%
#5-40 57.0% #38 72.4%

Other jobs for a #36

Hard-material tap drill
The size to use in stainless or tool steel for #5-40, #5-44, where it leaves a shallower thread than the standard drill and cuts tapping torque.
Clearance hole
The through hole a bolt passes in, not a tapped hole: close fit for #3-48, close fit for #3-56. See the clearance hole chart.

Drills either side

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#36 drill: common questions

What size is a #36 drill?
0.1065 inches, which is 2.71 mm. It is a number drill.
What can I tap with a #36 drill?
3 threads: #6-32 at 77.6%, #5-44 at 62.7%, #5-40 at 57.0%.
Is a #36 drill the standard tap drill for anything?
Yes, for #6-32 (77.6% thread). That is the size published tap and drill charts give.
Is a #36 drill used for clearance holes?
Yes: close fit for #3-48, close fit for #3-56. A clearance hole is not tapped; the bolt passes through it.
What drill is next to a #36?
Down: 2.7 mm at 0.1063 in. Up: 2.75 mm at 0.1083 in.