INCH KITS
INSERT SIZE	DRILL #	DRILL SIZE	C/BORE MIN DIAMETER	C/BORE MIN DEPTH	TAP  MAJOR DIAMETER
4-40	31	.120	.170	.055	.147
6-32	26	.147	.218	.070	.182
8-32	17	.173	.241	.065	.208
10-24	31	.203	.288	.075	.247
10-32	13/64	.203	.274	.075	.234
12-24	#1	.228	.307	.075	.265
1/4-20	13/64	.265	.352	.075	.319
1/4-28	17/64	.261	.340	.075	.300
5/16-18	G	.328	.430	.085	.388
5/16-24	21/64	.323	.410	.080	.368
3/8-16	P	.397	.495	.085	.460
3/8-24	X	.386	.473	.080	.432
7/16-14	W	.453	.571	.110	.534
7/16-20	29/64	.453	.547	.085	.506
1/2-13	P	.515	.648	.110	.604
1/2-20	X	.515	.610	.085	.569
9/16-12	W	.593	.711	.130	.675
9/16-18	37/64	.578	.668	.110	.638
5/8-11	21/32	.656	.787	.135	.748
5/8-18	41/64	.640	.740	.110	.701
3/4-10	25/32	.781	.953	.135	.885
3/4-16	49/64	.765	.870	.110	.835