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
 

Spiral Reamers

Designed to finish ream a pre-drilled hole to an accurate diameter and provide a smooth finish.  118 deg. point.

Fractional Sizes
catalog page: 45
Size Part Number Decimal Equivalent Overall Length Flute Length Number of Flutes
1/64 548001 .0156 2 3/8 3
1/32 548002 .0313 2-1/2 1/2 3
3/64 548003 .0469 3 3/4 4
1/16 548004 .0625 3 3/4 4
5/64 548005 .0781 3 3/4 4
3/32 548006 .0938 3 3/4 4
7/64 548007 .1094 3-1/2 7/8 4
1/8 548008 .1250 3-1/2 7/8 4
9/64 548009 .1406 4 1 4
5/32 548010 .1563 4 1 4
11/64 548011 .1719 4-1/2 1-1/8 4
3/16 548012 .1875 4-1/2 1-1/8 4
13/64 548013 .2031 5 1-1/4 4
7/32 548014 .2188 5 1-1/4 4
15/64 548015 .2344 6 1-1/2 4
1/4 548016 .2500 6 1-1/2 4
Letter Sizes
catalog page: 45
Size Part Number Decimal Equivalent Overall Length Flute Length Number of Flutes
A 550901 .2340 6 1-1/2 4
B 550902 .2380 6 1-1/2 4
C 550903 .2420 6 1-1/2 4
D 550904 .2460 6 1-1/2 4
E 550905 .2500 6 1-1/2 4
F 550906 .2570 6 1-1/2 4
Wire Gauge Sizes
catalog page: 46
Size Part Number Decimal Equivalent Overall Length Flute Length Number of Flutes
1 549801 .2280 6 1-1/2 4
2 549802 .2210 6 1-1/2 4
3 549803 .2130 5 1-1/4 4
4 549804 .2090 5 1-1/4 4
5 549805 .2055 5 1-1/4 4
6 549806 .2040 5 1-1/4 4
7 549807 .2010 5 1-1/4 4
8 549808 .1990 5 1-1/4 4
9 549809 .1960 5 1-1/4 4
10 549810 .1935 5 1-1/4 4
11 549811 .1910 5 1-1/4 4
12 549812 .1890 5 1-1/4 4
13 549813 .1850 4-1/2 1-1/8 4
14 549814 .1820 4-1/2 1-1/8 4
15 549815 .1800 4-1/2 1-1/8 4
16 549816 .1770 4-1/2 1-1/8 4
17 549817 .1730 4-1/2 1-1/8 4
18 549818 .1695 4-1/2 1-1/8 4
19 549819 .1660 4-1/2 1-1/8 4
20 549820 .1610 4-1/2 1-1/8 4
21 549821 .1590 4-1/2 1-1/8 4
22 549822 .1570 4-1/2 1-1/8 4
23 549823 .1540 4 1 4
24 549824 .1520 4 1 4
25 549825 .1495 4 1 4
26 549826 .1470 4 1 4
27 549827 .1440 4 1 4
28 549828 .1405 4 1 4
29 549829 .1360 4 1 4
30 549830 .1285 4 1 4
31 549831 .1200 3-1/2 7/8 4
32 549832 .1160 3-1/2 7/8 4
33 549833 .1130 3-1/2 7/8 4
34 549834 .1110 3-1/2 7/8 4
35 549835 .1100 3-1/2 7/8 4
36 549836 .1065 3-1/2 7/8 4
37 549837 .1040 3-1/2 7/8 4
38 549838 .1015 3-1/2 7/8 4
39 549839 .0995 3-1/2 7/8 4
40 549840 .0980 3-1/2 7/8 4
41 549841 .0960 3-1/2 7/8 4
42 549842 .0935 3 3/4 4
43 549843 .0890 3 3/4 4
44 549844 .0860 3 3/4 4
45 549845 .0820 3 3/4 4
46 549846 .0810 3 3/4 4
47 549847 .0785 3 3/4 4
48 549848 .0760 3 3/4 4
49 549849 .0730 3 3/4 4
50 549850 .0700 3 3/4 4
51 549851 .0670 3 3/4 4
52 549852 .0635 3 3/4 4
53 549853 .0595 3 3/4 4
54 549854 .0550 3 3/4 4
55 549855 .0520 3 3/4 4
56 549856 .0465 3 3/4 4
57 549857 .0430 3 3/4 4
58 549858 .0420 3 3/4 4
59 549859 .0410 3 3/4 4
60 549860 .0400 3 3/4 4
61 549861 .0390 2-1/2 1/2 3
62 549862 .0380 2-1/2 1/2 3
63 549863 .0370 2-1/2 1/2 3
64 549864 .0360 2-1/2 1/2 3
65 549865 .0350 2-1/2 1/2 3
66 549866 .0330 2-1/2 1/2 3
67 549867 .0320 2-1/2 1/2 3
68 549868 .0310 2-1/2 1/2 3
69 549869 .0292 2-1/2 1/2 3
70 549870 .0280 2-1/2 1/2 3
71 549871 .0260 2 3/8 3
72 549872 .0250 2 3/8 3
73 549873 .0240 2 3/8 3
74 549874 .0225 2 3/8 3
75 549875 .0210 2 3/8 3
76 549876 .0200 2 3/8 3
77 549877 .0180 2 3/8 3
78 549878 .0160 2 3/8 3
79 549879 .0145 2 3/8 3
80 549880 .0135 2 3/8 3
 
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