Contact Us

Ohio Drill & Tool Company
23255 Georgetown Rd.

P.O. Box 154 
Homeworth, OH 44634
(330) 525-7717

(800) 826-5237
Fax: (330) 525-5432

 

Left Hand Screw Machine Drills

The short flute and overall lengths are designed for rigidity and strength. 118 deg. standard point.

Fractional Sizes
catalog page: 21
Size Part Number Decimal Equivalent Overall Length Flute Length
3/64 559003 .0469 1-3/8 1/2
1/16 559004 .0625 1-5/8 5/8
5/64 559005 .0781 1-11/16 11/16
3/32 559006 .0938 1-3/4 3/4
7/64 559007 .1094 1-13/16 13/16
1/8 559008 .1250 1-7/8 7/8
9/64 559009 .1406 1-15/16 15/16
5/32 559010 .1563 2-1/16 1
11/64 559011 .1719 2-1/8 1-1/16
3/16 559012 .1875 2-3/16 1-1/8
13/64 559013 .2031 2-1/4 1-3/16
7/32 559014 .2188 2-3/8 1-1/4
15/64 559015 .2344 2-7/16 1-5/16
1/4 559016 .2500 2-1/2 1-3/8
17/64 559017 .2656 2-5/8 1-7/16
9/32 559018 .2813 2-11/16 1-1/2
19/64 559019 .2969 2-3/4 1-9/16
5/16 559020 .3125 2-13/16 1-5/8
21/64 559021 .3281 2-15/16 1-11/16
11/32 559022 .3438 3 1-11/16
23/64 559023 .3594 3-1/16 1-3/4
3/8 559024 .3750 3-1/8 1-13/16
25/64 559025 .3906 3-1/4 1-7/8
13/32 559026 .4063 3-5/16 1-15/16
27/64 559027 .4219 3-3/8 2
7/16 559028 .4375 3-7/16 2-1/16
29/64 559029 .4531 3-9/16 2-1/8
15/32 559030 .4688 3-5/8 2-1/8
31/64 559031 .4844 3-11/16 2-3/16
1/2 559032 .5000 3-3/4 2-1/4
Wire Gauge Sizes
catalog page: 21
Size Part Number Decimal Equivalent Overall Length Flute Length
1 560801 .2280 2-7/16 1-5/16
2 560802 .2210 2-7/16 1-5/16
3 560803 .2130 2-3/8 1-1/4
4 560804 .2090 2-3/8 1-1/4
5 560805 .2055 2-3/8 1-1/4
6 560806 .2040 2-3/8 1-1/4
7 560807 .2010 2-1/4 1-3/16
8 560808 .1990 2-1/4 1-3/16
9 560809 .1960 2-1/4 1-3/16
10 560810 .1935 2-1/4 1-3/16
11 560811 .1910 2-1/4 1-3/16
12 560812 .1890 2-1/4 1-3/16
13 560813 .1850 2-3/16 1-1/8
14 560814 .1820 2-3/16 1-1/8
15 560815 .1800 2-3/16 1-1/8
16 560816 .1770 2-3/16 1-1/8
17 560817 .1730 2-3/16 1-1/8
18 560818 .1695 2-1/8 1-1/16
19 560819 .1660 2-1/8 1-1/16
20 560820 .1610 2-1/8 1-1/16
21 560821 .1590 2-1/8 1-1/16
22 560822 .1570 2-1/8 1-1/16
23 560823 .1540 2-1/16 1
24 560824 .1520 2-1/16 1
25 560825 .1495 2-1/16 1
26 560826 .1470 2-1/16 1
27 560827 .1440 2-1/16 1
28 560828 .1405 1-15/16 15/16
29 560829 .1360 1-15/16 15/16
30 560830 .1285 1-15/16 15/16
31 560831 .1200 1-7/8 7/8
32 560832 .1160 1-7/8 7/8
33 560833 .1130 1-7/8 7/8
34 560834 .1110 1-7/8 7/8
35 560835 .1100 1-7/8 7/8
36 560836 .1065 1-13/16 13/16
37 560837 .1040 1-13/16 13/16
38 560838 .1015 1-13/16 13/16
39 560839 .0995 1-13/16 13/16
40 560840 .0980 1-13/16 13/16
41 560841 .0960 1-13/16 13/16
42 560842 .0935 1-3/4 3/4
43 560843 .0890 1-3/4 3/4
44 560844 .0860 1-3/4 3/4
45 560845 .0820 1-3/4 3/4
46 560846 .0810 1-3/4 3/4
47 560847 .0785 1-11/16 11/16
48 560848 .0760 1-11/16 11/16
49 560849 .0730 1-11/16 11/16
50 560850 .0700 1-11/16 11/16
51 560851 .0670 1-11/16 11/16
52 560852 .0635 1-11/16 11/16
53 560853 .0595 1-5/8 5/8
54 560854 .0550 1-5/8 5/8
55 560855 .0520 1-5/8 5/8
56 560856 .0465 1-3/8 1/2
57 560857 .0430 1-3/8 1/2
58 560858 .0420 1-3/8 1/2
59 560859 .0410 1-3/8 1/2
60 560860 .0400 1-3/8 1/2