9.4 mm Drill Size
metric drill
9.4 mm 0.3701 in 9.40 mm
A 9.4 mm drill measures 0.3701 in. It taps 2 threads in this chart.
What a 9.4 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.
| Thread | % thread | Chart drill | Chart % |
|---|---|---|---|
| 7/16-14 | 72.6% | U | 74.9% |
| M10 x 0.75 | 61.6% | 9.3 mm | 71.9% |
Other jobs for a 9.4 mm
- Hard-material tap drill
- The size to use in stainless or tool steel for M10 x 0.75, where it leaves a shallower thread than the standard drill and cuts tapping torque.
- Form-tap hole
- The published roll-tap hole for M10 x 1.25. A form tap displaces metal instead of cutting it, so it needs this larger hole.
Drills either side
9.4 mm drill: common questions
What size is a 9.4 mm drill?
0.3701 inches, which is 9.40 mm. It is a metric drill.
What can I tap with a 9.4 mm drill?
2 threads: 7/16-14 at 72.6%, M10 x 0.75 at 61.6%.
What drill is next to a 9.4 mm?
Down: U at 0.368 in. Up: 9.5 mm at 0.374 in.