23 mm Drill Size
metric drill
23 mm 0.9055 in 23.00 mm
A 23 mm drill measures 0.9055 in. It taps 2 threads in this chart.
What a 23 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.
Other jobs for a 23 mm
- Hard-material tap drill
- The size to use in stainless or tool steel for M24 x 1.5, where it leaves a shallower thread than the standard drill and cuts tapping torque.
- Form-tap hole
- The published roll-tap hole for M24 x 2. A form tap displaces metal instead of cutting it, so it needs this larger hole.
Drills either side
23 mm drill: common questions
What size is a 23 mm drill?
0.9055 inches, which is 23.00 mm. It is a metric drill.
What can I tap with a 23 mm drill?
2 threads: 1-8 at 58.2%, M24 x 1.5 at 51.3%.
What drill is next to a 23 mm?
Down: 57/64 in at 0.8906 in. Up: 29/32 in at 0.9062 in.