Ohio Drill and Tool Company Heavy Duty Screw Machine

Fractional Sizes
catalog page: 22
Size	Part Number	Decimal Equivalent	Overall Length	Flute Length
3/64	508003	.0469	1-3/8	1/2
1/16	508004	.0625	1-5/8	5/8
5/64	508005	.0781	1-11/16	11/16
3/32	508006	.0938	1-3/4	3/4
7/64	508007	.1094	1-13/16	13/16
1/8	508008	.1250	1-7/8	7/8
9/64	508009	.1406	1-15/16	15/16
5/32	508010	.1562	2-1/16	1
11/64	508011	.1719	2-1/8	1-1/16
3/16	508012	.1875	2-3/16	1-1/8
13/64	508013	.2031	2-1/4	1-3/16
7/32	508014	.2188	2-3/8	1-1/4
15/64	508015	.2344	2-7/16	1-5/16
1/4	508016	.2500	2-1/2	1-3/8
17/64	508017	.2656	2-5/8	1-7/16
9/32	508018	.2812	2-11/16	1-1/2
19/64	508019	.2969	2-3/4	1-9/16
5/16	508020	.3125	2-13/16	1-5/8
21/64	508021	.3281	2-15/16	1-11/16
11/32	508022	.3438	3	1-11/16
23/64	508023	.3594	3-1/16	1-3/4
3/8	508024	.3750	3-1/8	1-13/16
25/64	508025	.3906	3-1/4	1-7/8
13/32	508026	.4062	3-5/16	1-15/16
27/64	508027	.4219	3-3/8	2
7/16	508028	.4375	3-7/16	2-1/16
29/64	508029	.4531	3-9/16	2-1/8
15/32	508030	.4688	3-5/8	2-1/8
31/64	508031	.4844	3-11/16	2-3/16
1/2	508032	.5000	3-3/4	2-1/4
Wire Gauge Sizes
catalog page: 22
Size	Part Number	Decimal Equivalent	Overall Length	Flute Length
1	509801	.2280	2-7/16	1-5/16
2	509802	.2210	2-7/16	1-5/16
3	509803	.2130	2-3/8	1-1/4
4	509804	.2090	2-3/8	1-1/4
5	509805	.2055	2-3/8	1-1/4
6	509806	.2040	2-3/8	1-1/4
7	509807	.2010	2-1/4	1-3/16
8	509808	.1990	2-1/4	1-3/16
9	509809	.1960	2-1/4	1-3/16
10	509810	.1935	2-1/4	1-3/16
11	509811	.1910	2-1/4	1-3/16
12	509812	.1890	2-1/4	1-3/16
13	509813	.1850	2-3/16	1-1/8
14	509814	.1820	2-3/16	1-1/8
15	509815	.1800	2-3/16	1-1/8
16	509816	.1770	2-3/16	1-1/8
17	509817	.1730	2-3/16	1-1/8
18	509818	.1695	2-1/8	1-1/16
19	509819	.1660	2-1/8	1-1/16
20	509820	.1610	2-1/8	1-1/16
21	509821	.1590	2-1/8	1-1/16
22	509822	.1570	2-1/8	1-1/16
23	509823	.1540	2-1/16	1
24	509824	.1520	2-1/16	1
25	509825	.1495	2-1/16	1
26	509826	.1470	2-1/16	1
27	509827	.1440	2-1/16	1
28	509828	.1405	1-15/16	15/16
29	509829	.1360	1-15/16	15/16
30	509830	.1285	1-15/16	15/16
31	509831	.1200	1-7/8	7/8
32	509832	.1160	1-7/8	7/8
33	509833	.1130	1-7/8	7/8
34	509834	.1110	1-7/8	7/8
35	509835	.1100	1-7/8	7/8
36	509836	.1065	1-13/16	13/16
37	509837	.1040	1-13/16	13/16
38	509838	.1015	1-13/16	13/16
39	509839	.0995	1-13/16	13/16
40	509840	.0980	1-13/16	13/16
41	509841	.0960	1-13/16	13/16
42	509842	.0935	1-3/4	3/4
43	509843	.0890	1-3/4	3/4
44	509844	.0860	1-3/4	3/4
45	509845	.0820	1-3/4	3/4
46	509846	.0810	1-3/4	3/4
47	509847	.0785	1-11/16	11/16
48	509848	.0760	1-11/16	11/16
49	509849	.0730	1-11/16	11/16
50	509850	.0700	1-11/16	11/16
51	509851	.0670	1-11/16	11/16
52	509852	.0635	1-11/16	11/16
53	509853	.0595	1-5/8	5/8
54	509854	.0550	1-5/8	5/8
55	509855	.0520	1-5/8	5/8
56	509856	.0465	1-3/8	1/2
57	509857	.0430	1-3/8	1/2
58	509858	.0420	1-3/8	1/2
59	509859	.0410	1-3/8	1/2
60	509860	.0400	1-3/8	1/2