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
 

Aircraft Extension Drills 6

Aircraft Extension drills are designed to drill in tough to reach places.  They come in 6" and 12" overalls.  Sizes 1/16" and larger have a 135 deg. split point.

Fractional Sizes
catalog page: 31
Size Part Number Decimal Equivalent Overall Length Flute Length
1/64 535001 .0156 6 3/16
1/32 535002 .0313 6 1/2
3/64 535003 .0469 6 3/4
1/16 535004 .0625 6 7/8
5/64 535005 .0781 6 1
3/32 535006 .0938 6 1-1/4
7/64 535007 .1094 6 1-1/2
1/8 535008 .1250 6 1-5/8
9/64 535009 .1406 6 1-3/4
5/32 535010 .1563 6 2
11/64 535011 .1719 6 2-1/8
3/16 535012 .1875 6 2-5/16
13/64 535013 .2031 6 2-7/16
7/32 535014 .2188 6 2-1/2
15/64 535015 .2344 6 2-5/8
1/4 535016 .2500 6 2-3/4
Letter Sizes
catalog page: 31
Size Part Number Decimal Equivalent Overall Length Flute Length
A 537901 .2340 6 2-5/8
B 537902 .2380 6 2-3/4
C 537903 .2420 6 2-3/4
D 537904 .2460 6 2-3/4
E 537905 .2500 6 2-3/4
F 537906 .2570 6 2-7/8
Wire Gauge Sizes
catalog page: 32
Size Part Number Decimal Equivalent Overall Length Flute Length
1 536801 .2280 6 2-5/8
2 536802 .2210 6 2-5/8
3 536803 .2130 6 2-1/2
4 536804 .2090 6 2-1/2
5 536805 .2055 6 2-1/2
6 536806 .2040 6 2-1/2
7 536807 .2010 6 2-7/16
8 536808 .1990 6 2-7/16
9 536809 .1960 6 2-7/16
10 536810 .1935 6 2-7/16
11 536811 .1910 6 2-5/16
12 536812 .1890 6 2-5/16
13 536813 .1850 6 2-5/16
14 536814 .1820 6 2-3/16
15 536815 .1800 6 2-3/16
16 536816 .1770 6 2-3/16
17 536817 .1730 6 2-3/16
18 536818 .1695 6 2-1/8
19 536819 .1660 6 2-1/8
20 536820 .1610 6 2-1/8
21 536821 .1590 6 2-1/8
22 536822 .1570 6 2
23 536823 .1540 6 2
24 536824 .1520 6 2
25 536825 .1495 6 1-7/8
26 536826 .1470 6 1-7/8
27 536827 .1440 6 1-7/8
28 536828 .1405 6 1-3/4
29 536829 .1360 6 1-3/4
30 536830 .1285 6 1-5/8
31 536831 .1200 6 1-5/8
32 536832 .1160 6 1-5/8
33 536833 .1130 6 1-1/2
34 536834 .1110 6 1-1/2
35 536835 .1100 6 1-1/2
36 536836 .1065 6 1-7/16
37 536837 .1040 6 1-7/16
38 536838 .1015 6 1-7/16
39 536839 .0995 6 1-3/8
40 536840 .0980 6 1-3/8
41 536841 .0960 6 1-3/8
42 536842 .0935 6 1-1/4
43 536843 .0890 6 1-1/4
44 536844 .0860 6 1-1/8
45 536845 .0820 6 1-1/8
46 536846 .0810 6 1-1/8
47 536847 .0785 6 1
48 536848 .0760 6 1
49 536849 .0730 6 1
50 536850 .0700 6 1
51 536851 .0670 6 1
52 536852 .0635 6 7/8
53 536853 .0595 6 7/8
54 536854 .0550 6 7/8
55 536855 .0520 6 7/8
56 536856 .0465 6 3/4
57 536857 .0430 6 3/4
58 536858 .0420 6 11/16
59 536859 .0410 6 11/16
60 536860 .0400 6 11/16
61 536861 .0390 6 11/16
62 536862 .0380 6 5/8
63 536863 .0370 6 5/8
64 536864 .0360 6 5/8
65 536865 .0350 6 5/8
66 536866 .0330 6 1/2
67 536867 .0320 6 1/2
68 536868 .0310 6 1/2
69 536869 .0292 6 1/2
70 536870 .0280 6 3/8
71 536871 .0260 6 3/8
72 536872 .0250 6 5/16
73 536873 .0240 6 5/16
74 536874 .0225 6 1/4
75 536875 .0210 6 1/4
76 536876 .0200 6 3/16
77 536877 .0180 6 3/16
78 536878 .0160 6 3/16
79 536879 .0145 6 3/16
80 536880 .0135 6 3/16
 
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