10.2 mm Drill Size
metric drill
10.2 mm 0.4016 in 10.20 mm
A 10.2 mm drill is the standard tap drill for M12 x 1.75.
What a 10.2 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 % |
|---|---|---|---|
| M12 x 1.75 chart drill | 79.2% | 10.2 mm | 79.2% |
| 7/16-28 | 77.4% | Y | 72.2% |
| 7/16-20 | 55.3% | 25/64″ | 72.2% |
Drills either side
10.2 mm drill: common questions
What size is a 10.2 mm drill?
0.4016 inches, which is 10.20 mm. It is a metric drill.
What can I tap with a 10.2 mm drill?
3 threads: M12 x 1.75 at 79.2%, 7/16-28 at 77.4%, 7/16-20 at 55.3%.
Is a 10.2 mm drill the standard tap drill for anything?
Yes, for M12 x 1.75 (79.2% thread). That is the size published tap and drill charts give.
What drill is next to a 10.2 mm?
Down: 10.1 mm at 0.3976 in. Up: Y at 0.404 in.