#6-32 UNC tap drill size

#36 drill — 0.1065 in / 2.71 mm (78% thread)

Major Ø 0.1380 in · 32 threads per inch · coarse series. The chart pick targets 75% thread; nearby standard drills:

Drill	Decimal (in)	mm	Thread %
#34	0.1110	2.82	67%
#35	0.1100	2.79	69%
7/64	0.1094	2.78	71%
#36	0.1065	2.71	78%

Cut taps only — roll-form taps need a larger hole. 65–75% suits general work; drop toward 55% in tough material. Verify before you cut.

Same size, fine series: #6-40 UNF