34 mm Drill Size

metric drill

34 mm 1.3386 in 34.00 mm

A 34 mm drill is the standard tap drill for M36 x 2.

What a 34 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.

Threads a 34 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
M36 x 2 chart drill	77.0%	34 mm	77.0%
1-1/2-6	74.5%	1-11/32″	72.1%
M36 x 3	51.3%	33 mm	77.0%

Other jobs for a 34 mm

Form-tap hole: The published roll-tap hole for M36 x 4. A form tap displaces metal instead of cutting it, so it needs this larger hole.

Drills either side

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34 mm drill: common questions

What size is a 34 mm drill?

1.3386 inches, which is 34.00 mm. It is a metric drill.

What can I tap with a 34 mm drill?

3 threads: M36 x 2 at 77.0%, 1-1/2-6 at 74.5%, M36 x 3 at 51.3%.

Is a 34 mm drill the standard tap drill for anything?

Yes, for M36 x 2 (77.0% thread). That is the size published tap and drill charts give.

What drill is next to a 34 mm?

Down: 1-21/64 in at 1.3281 in. Up: 1-11/32 in at 1.3438 in.