Besly Drill Selector for X-Press Taps

Besly Drill Selector for X-Press Taps Machine Screw Sizes
Tap Size	Drill Size	Decimal Equivalent	Theoretical Hole Size	Percentage of Thread
0-80	1.35mm	.0531	.0536	75
1-64	1.65mm	.0650	.0650	75
1-72	1.65mm	.0650	.0659	75
	1.70mm	.0669	.0669	65
	51	.0670	.0673	60
2-56	1.95mm	.0768	.0769	75
	5/64	.0781	.0781	65
	47	.0785	.0787	60
2-64	5/64	.0781	.0780	75
	47	.0785	.0785	70
	2.00mm	.0787	.0791	65
3-48	2.25mm	.0886	.0884	75
	43	.0890	.0890	70
	2.30mm	.0906	.0905	60
3-56	43	.0890	.0899	75
	2.30mm	.0906	.0911	65
4-40	2.50mm	.0984	.0993	75
	39	.0995	.1000	70
	38	.1015	.1018	60
4-48	38	.1015	.1020	70
	2.60mm	.1024	.1028	65
5-40	34	.1110	.1123	75
	33	.1130	.1130	70
	2.90mm	.1142	.1148	60
5-44	33	.1130	.1134	75
	2.90mm	.1142	.1141	70
6-32	3.10mm	.1220	.1221	75
	1/8	.1250	.1252	60
6-40	1/8	.1250	.1253	75
	3.20mm	.1260	.1260	70
8-32	25	.1495	.1481	75
	3.75mm	.1476	.1490	70
	3.80mm	.1496	.1503	65
8-36	25	.1495	.1498	75
	3.80mm	.1496	.1507	70
	24	.1520	.1526	60
10-24	4.25mm	.1673	.1688	75
	18	.1695	.1700	70
	11/64	.1719	.1717	65
10-32	17	.1730	.1742	75
	16	.1770	.1772	60
12-24	10	.1935	.1948	75
	9	.1960	.1960	70
	5.00mm	.1968	.1977	65
	8	.1990	.1989	60
12-28	5.00mm	.1968	.1978	75
	8	.1990	.1989	70
	7	.2010	.2014	60