33 mm Drill Size

metric drill

33 mm 1.2992 in 33.00 mm

A 33 mm drill is the standard tap drill for M36 x 3.

What a 33 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 33 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 3 chart drill	77.0%	33 mm	77.0%
1-3/8-12	70.0%	1-19/64″	72.1%
M36 x 4	57.7%	32 mm	77.0%

Other jobs for a 33 mm

Hard-material tap drill: The size to use in stainless or tool steel for M36 x 4, where it leaves a shallower thread than the standard drill and cuts tapping torque.

Drills either side

All drill sizes → · Open this drill in the calculator →

33 mm drill: common questions

What size is a 33 mm drill?

1.2992 inches, which is 33.00 mm. It is a metric drill.

What can I tap with a 33 mm drill?

3 threads: M36 x 3 at 77.0%, 1-3/8-12 at 70.0%, M36 x 4 at 57.7%.

Is a 33 mm drill the standard tap drill for anything?

Yes, for M36 x 3 (77.0% thread). That is the size published tap and drill charts give.

What drill is next to a 33 mm?

Down: 1-19/64 in at 1.2969 in. Up: 1-5/16 in at 1.3125 in.