23/64 in Drill Size
fractional drill
23/64″ 0.3594 in 9.13 mm
A 23/64 in drill measures 0.3594 in. It taps 3 threads in this chart.
What a 23/64 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.
| Thread | % thread | Chart drill | Chart % |
|---|---|---|---|
| 7/16-14 | 84.2% | U | 74.9% |
| M10 x 1 | 67.1% | 9 mm | 77.0% |
| M10 x 1.25 | 53.7% | 8.8 mm | 73.9% |
Other jobs for a 23/64 in
- Form-tap hole
- The published roll-tap hole for 3/8-32. A form tap displaces metal instead of cutting it, so it needs this larger hole.
- Clearance hole
- The through hole a bolt passes in, not a tapped hole: loose fit for 5/16-18, loose fit for 5/16-24, loose fit for 5/16-32. See the clearance hole chart.
Drills either side
23/64 in drill: common questions
What size is a 23/64 in drill?
0.3594 inches, which is 9.13 mm. It is a fractional drill.
What can I tap with a 23/64 in drill?
3 threads: 7/16-14 at 84.2%, M10 x 1 at 67.1%, M10 x 1.25 at 53.7%.
Is a 23/64 in drill used for clearance holes?
Yes: loose fit for 5/16-18, loose fit for 5/16-24, loose fit for 5/16-32. A clearance hole is not tapped; the bolt passes through it.
What drill is next to a 23/64 in?
Down: 9.1 mm at 0.3583 in. Up: 9.2 mm at 0.3622 in.