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

 

Taper Length Fast Spiral

Manufactured for drilling deep holes in low tensile materials. The high helix and wide flute help chip removal. 118 deg. standard drill point.

Fractional Sizes
catalog page: 27
Size Part Number Decimal Equivalent Overall Length Flute Length
1/64 403001 .0156 1-3/4 3/8
1/32 403002 .0313 2-7/8 1-1/2
3/64 403003 .0469 2-1/4 1-1/8
1/16 403004 .0625 3 1-3/4
5/64 403005 .0781 3-3/4 2
3/32 403006 .0938 4-1/4 2-1/4
7/64 403007 .1094 4-5/8 2-1/2
1/8 403008 .1250 5-1/8 2-3/4
9/64 403009 .1406 5-3/8 3
5/32 403010 .1562 5-3/8 3
11/64 403011 .1719 5-3/4 3-3/8
3/16 403012 .1875 5-3/4 3-3/8
13/64 403013 .2031 6 3-5/8
7/32 403014 .2188 6 3-5/8
15/64 403015 .2344 6-1/8 3-3/4
1/4 403016 .2500 6-1/8 3-3/4
17/64 403017 .2656 6-1/4 3-7/8
9/32 403018 .2812 6-1/4 3-7/8
19/64 403019 .2969 6-3/8 4
5/16 403020 .3125 6-3/8 4
21/64 403021 .3281 6-1/2 4-1/8
11/32 403022 .3438 6-1/2 4-1/8
23/64 403023 .3594 6-3/4 4-1/4
3/8 403024 .3750 6-3/4 4-1/4
25/64 403025 .3906 7 4-3/8
13/32 403026 .4062 7 4-3/8
27/64 403027 .4219 7-1/4 4-5/8
7/16 403028 .4375 7-1/4 4-5/8
29/64 403029 .4531 7-1/2 4-3/4
15/32 403030 .4688 7-1/2 4-3/4
31/64 403031 .4844 7-3/4 4-3/4
1/2 403032 .5000 7-3/4 4-3/4
Letter Sizes
catalog page: 27
Size Part Number Decimal Equivalent Overall Length Flute Length
A 405901 .2340 6-1/8 3-3/4
B 405902 .2380 6-1/8 3-3/4
C 405903 .2420 6-1/8 3-3/4
D 405904 .2460 6-1/8 3-3/4
E 405905 .2500 6-1/8 3-3/4
F 405906 .2570 6-1/4 3-7/8
G 405907 .2610 6-1/4 3-7/8
H 405908 .2660 6-1/4 3-7/8
I 405909 .2720 6-1/4 3-7/8
J 405910 .2770 6-1/4 3-7/8
K 405911 .2810 6-1/4 3-7/8
L 405912 .2900 6-3/8 4
M 405913 .2950 6-3/8 4
N 405914 .3020 6-3/8 4
O 405915 .3160 6-1/2 4-1/8
P 405916 .3230 6-1/2 4-1/8
Q 405917 .3320 6-1/2 4-1/8
R 405918 .3390 6-1/2 4-1/8
S 405919 .3480 6-3/4 4-1/4
T 405920 .3580 6-3/4 4-1/4
U 405921 .3680 6-3/4 4-1/4
V 405922 .3770 7 4-3/8
W 405923 .3860 7 4-3/8
X 405924 .3970 7 4-3/8
Y 405925 .4040 7 4-3/8
Z 405926 .4130 7-1/4 4-5/8
Wire Gauge Sizes
catalog page: 28
Size Part Number Decimal Equivalent Overall Length Flute Length
1 404801 .2280 6-1/8 3-3/4
2 404802 .2210 6-1/8 3-3/4
3 404803 .2130 6 3-5/8
4 404804 .2090 6 3-5/8
5 404805 .2055 6 3-5/8
6 404806 .2040 6 3-5/8
7 404807 .2010 6 3-5/8
8 404808 .1990 6 3-5/8
9 404809 .1960 6 3-5/8
10 404810 .1935 6 3-5/8
11 404811 .1910 6 3-5/8
12 404812 .1890 6 3-5/8
13 404813 .1850 5-3/4 3-3/8
14 404814 .1820 5-3/4 3-3/8
15 404815 .1800 5-3/4 3-3/8
16 404816 .1770 5-3/4 3-3/8
17 404817 .1730 5-3/4 3-3/8
18 404818 .1695 5-3/4 3-3/8
19 404819 .1660 5-3/4 3-3/8
20 404820 .1610 5-3/4 3-3/8
21 404821 .1590 5-3/4 3-3/8
22 404822 .1570 5-3/4 3-3/8
23 404823 .1540 5-3/8 3
24 404824 .1520 5-3/8 3
25 404825 .1495 5-3/8 3
26 404826 .1470 5-3/8 3
27 404827 .1440 5-3/8 3
28 404828 .1405 5-3/8 3
29 404829 .1360 5-3/8 3
30 404830 .1285 5-3/8 3
31 404831 .1200 5-1/8 2-3/4
32 404832 .1160 5-1/8 2-3/4
33 404833 .1130 5-1/8 2-3/4
34 404834 .1110 5-1/8 2-3/4
35 404835 .1100 5-1/8 2-3/4
36 404836 .1065 4-5/8 2-1/2
37 404837 .1040 4-5/8 2-1/2
38 404838 .1015 4-5/8 2-1/2
39 404839 .0995 4-5/8 2-1/2
40 404840 .0980 4-5/8 2-1/2
41 404841 .0960 4-5/8 2-1/2
42 404842 .0935 4-1/4 2-1/4
43 404843 .0890 4-1/4 2-1/4
44 404844 .0860 4-1/4 2-1/4
45 404845 .0820 4-1/4 2-1/4
46 404846 .0810 4-1/4 2-1/4
47 404847 .0785 4-1/4 2-1/4
48 404848 .0760 3-3/4 2
49 404849 .0730 3-3/4 2
50 404850 .0700 3-3/4 2
51 404851 .0670 3-3/4 2
52 404852 .0635 3-3/4 2
53 404853 .0595 3 1-3/4
54 404854 .0550 3 1-3/4
55 404855 .0520 3 1-3/4
56 404856 .0465 2-1/4 1-1/8
57 404857 .0430 2-1/4 1-1/8
58 404858 .0420 2-1/4 1-1/8
59 404859 .0410 2-1/4 1-1/8
60 404860 .0400 2-1/4 1-1/8
61 404861 .0390 3 1-3/4
62 404862 .0380 3 1-3/4
63 404863 .0370 3 1-3/4
64 404864 .0360 3 1-3/4
65 404865 .0350 3 1-3/4
66 404866 .0330 3 1-5/8
67 404867 .0320 3 1-5/8
68 404868 .0310 2-7/8 1-1/4
69 404869 .0292 2-3/4 1
70 404870 .0280 2-5/8 3/4
71 404871 .0260 2-5/8 3/4
72 404872 .0250 2-1/2 5/8
73 404873 .0240 2-3/8 5/8
74 404874 .0225 2-1/4 1/2
75 404875 .0210 2-1/8 1/2
76 404876 .0200 2 3/8
77 404877 .0180 1-7/8 3/8
78 404878 .0160 1-3/4 3/8
79 404879 .0145 1-1/2 3/8
80 404880 .0135 1-1/2 3/8