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Pan American Tool Corporation
Pan American Tool Corporation

Cobalt Aircraft Extension Drills - Wire Sizes - 12" Overall Length

National Aerospace Standard 907, Type J Cobalt Extension Drill Cobalt HSS, Surface Treated, 135º Split Point.
  • Made to NAS 907 Type J specifications, these cobalt extension drills are used for drilling in tough, high tensile strength materials like stainless steels, titanium and inconel. They are made of cobalt high speed steel, with heavy duty flute construction and 135º split point.
  • Extra lenght for hard to reach holes
    extension drills 12", aircraft tools 
Wire Sizes - 12" Overall Length
Qty Diameter Number Part Number Decimal Equivalent Inches Flute Length Inches Package Quantity Price Each
1 07-401 .2280 2-5/8 6
$7.25
2 07-402 .2210 2-5/8 6
$7.25
3 07-403 .2130 2-1/2 6
$7.25
4 07-404 .2090 2-1/2 6
$7.25
5 07-405 .2055 2-1/2 6
$7.25
6 07-406 .2040 2-1/2 6
$7.25
7 07-407 .2010 2-7/16 6
$7.25
8 07-408 .1990 2-7/16 6
$7.00
9 07-409 .1960 2-7/16 6
$7.00
10 07-410 .1935 2-7/16 12
$4.95
11 07-411 .1910 2-5/16 12
$7.00
12 07-412 .1890 2-5/16 12
$6.95
13 07-413 .1850 2-5/16 12
$4.95
14 07-414 .1820 2-5/16 12
$6.75
15 07-415 .1800 2-3/16 12
$6.50
16 07-416 .1770 2-3/16 12
$6.75
17 07-417 .1730 2-3/16 12
$6.75
18 07-418 .1695 2-1/8 12
$6.25
19 07-419 .1660 2-1/8 12
$6.25
20 07-420 .1610 2-1/8 12
$4.50
21 07-421 .1590 2-1/8 12
$4.50
22 07-422 .1570 2 12
$5.95
23 07-423 .1540 2 12
$4.75
24 07-424 .1520 2 12
$6.10
25 07-425 .1495 1-7/8 12
$6.10
26 07-426 .1470 1-7/8 12
$6.95
27 07-427 .1440 1-7/8 12
$5.95
28 07-428 .1405 1-3/4 12
$5.95
29 07-429 .1360 1-3/4 12
$5.95
30 07-430 .1285 1-5/8 12
$4.25
31 07-431 .1200 1-5/8 12
$5.95
32 07-432 .1160 1-5/8 12
$5.25
33 07-433 .1130 1-1/2 12
$5.25
34 07-434 .1110 1-1/2 12
$5.95
35 07-435 .1100 1-1/2 12
$5.35
36 07-436 .1065 1-7/16 12
$5.35
37 07-437 ,1040 1-7/16 12
$5.75
38 07-438 .1015 1-7/16 12
$5.75
39 07-439 .0995 1-3/8 12
$5.75
40 07-440 .0980 1-3/8 12
$4.25
41 07-441 .0960 1-3/8 12
$5.25
42 07-442 .0935 1-1/4 12
$5.50
43 07-443 .0890 1-1/4 12
$5.25
44 07-444 .0860 1-1/8 12
$5.50
45 07-445 .0820 1-1/8 12
$5.35
46 07-446 .0810 1-1/8 12
$5.50
47 07-447 .0785 1 12
$5.50
48 07-448 .0760 1 12
$5.75
49 07-449 .0730 1 12
$5.75
50 07-450 .0700 1 12
$4.25
51 07-451 .0670 1 12
$5.75
52 07-452 .0635 7/8 12
$6.25

Aircraft Tools • Cobalt Drills • Aerospace Tools • High Speed Steel Reamers • Carbide Burs • Airplane Tools • Screwdriver Bits • Aviation Tools • Paint Cutters • Cleco Fasteners • Double Margin Drills • Cutting Tools • Countersinks • Tools for MRO • Surface Conditioning Disc • Nova Pneumatic Aircraft Tools • Aviation and Aerospace Tools