Fractional


TOOL SELECTOR
CHIP
CLASS
MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  610 or 611 
 40  NON-FERROUS - SHORT CHIPS  610 or 611 
 60  CAST IRONS  610 or 611 
 80  LOW STRENGTH STEELS  CALL US 
 100  MEDIUM STRENGTH STEELS  CALL US 
 120  HIGH STRENGTH STEELS  CALL US 
 140  HIGH TEMPERATURE ALLOYS  CALL US

Type 611 Fractional - Aircraft Extension Drills - 12" Overall Length
Carbide Tipped
  • 135ยบ split point per NAS 907 specifications
  • Carbide tip high temperature brazed to hardened tool steel body
  • Smooth flutes for effective chip flow
  • Precision ground to insure concentricity of tip & body
  • All dimensional & element tolerances conform to one of:
    ASME/ANSI B94.11M
    ISO - International Organization for Standardization
    NAS 907 - National Aerospace Standards
    USCTI - United States Cutting Tool Institute (formerly MCTI)
  Modifications: (Prompt delivery)
  • Modified tool diameter
  • Metric tool diameter
  • Shortened shank or reduced shank diameter
  • Flat(s) or tang on shank
  • Extra long shank
  • Coatings available:
  •  TITANIUM NITRIDE - TiN 
     TITANIUM CARBONITRIDE - TiCN 
     ZIRCONIUM NITRIDE - ZrN 
     AL TITANIUM NITRIDE - AITiN 
Use:
  • For drilling holes not accessible with shorter drills
  • Feeds should be light to medium
  • Not recommended for deep hole applications
Below is a list of standard Aircraft Extension Drills offered by Hannibal Carbide Tool. If you do not see the Aircraft Extension Drills you are looking for you can click here for our SPECIAL TOOL QUOTE REQUEST FORM and fax (573-221-1140) or email your request to Hannibal. Within 24 hours we will let you know how we can supply your Aircraft Extension Drills. For technical assistance with your Drills please click here to fill out and submit our HANNIBAL TECHNICAL SUPPORT QUESTIONNAIRE.
Tool Diameter Flute Length Type 611
EDP NO.
Fractional
Price
Frac. Wire / Letter Dec.
32  .1160  5/ 61332 $27.50
31  .1200  5/ 61331 24.50
   1/  .1250  5/ 61108 19.05
30  .1285  5/ 61330 25.85
29  .1360  3/ 61329 26.70
28  .1405  3/ 61328 27.20
   9/64  .1406  3/ 61109 20.65
27  .1440  7/ 61327 27.70
26  .1470  7/ 61326 27.20
25  .1495  7/ 61325 27.20
24  .1520         61324 27.70
23  .1540         61323 27.20
   5/32  .1563         61110 20.25
22  .1570         61322 29.70
21  .1590  1/ 61321 28.80
20  .1610  1/ 61320 29.45
19  .1660  1/ 61319 29.45
18  .1695  1/ 61318 29.45
  11/64  .1719  1/ 61111 22.05
17  .1730  3/16 61317 29.45
16  .1770  3/16 61316 28.80
15  .1800  3/16 61315 29.70
14  .1820  3/16 61314 28.80
13  .1850  5/16 61313 28.80
   3/16  .1875  5/16 61112 21.60
12  .1890  5/16 61312 29.95
11  .1910  5/16 61311 30.40
10  .1935  7/16 61310 29.95
9  .1960  7/16 61309 30.40
8  .1990  7/16 61308 30.40
7  .2010  7/16 61307 30.40
  13/64  .2031  7/16 61113 23.60
6  .2040  1/ 61306 31.20
5  .2055  1/ 61305 30.40
4  .2090  1/ 61304 28.55
3  .2130  1/ 61303 30.40
   7/32  .2188  1/ 61114 23.60
2  .2210  5/ 61302 29.80
1  .2280  5/ 61301 29.45
A  .2340  5/ 61501 35.35
  15/64  .2344  5/ 61115 25.45
B  .2380  3/ 61502 35.35
C  .2420  3/ 61503 35.35
D  .2460  3/ 61504 34.80
   1/ E  .2500  3/ 61116 25.45
F  .2570  7/ 61506 36.35
G  .2610  7/ 61507 37.20
  17/64  .2656  7/ 61117 27.20
H  .2660  7/ 61508 38.00
I  .2720  7/ 61509 37.20
J  .2770  7/ 61510 38.00
K  .2810 15/16 61511 38.00
   9/32  .2813 15/16 61118 27.20
L  .2900 15/16 61512 38.00
M  .2950  1/16 61513 41.85
  19/64  .2969  1/16 61119 29.45
N  .3020  1/16 61514 40.95
   5/16  .3125  3/16 61120 29.45
O  .3160  3/16 61515 38.90
P  .3230  5/16 61516 41.35
  21/64  .3281  5/16 61121 31.35
Q  .3320  7/16 61517 42.50
R  .3390  7/16 61518 41.35
  11/32  .3438  7/16 61122 31.35
S  .3480  1/ 61519 44.70
T  .3580  1/ 61520 45.85
  23/64  .3594  1/ 61123 33.30
U  .3680  5/ 61521 44.15
   3/  .3750  5/ 61124 33.30
V  .3770  5/ 61522 44.70
W  .3860  3/ 61523 48.00
  25/64  .3906  3/ 61125 34.35
X  .3970  3/ 61524 45.50
Y  .4040  7/ 61525 47.15
  13/32  .4063  7/ 61126 33.80
Z  .4130  7/ 61526 53.20
  27/64  .4219 15/16 61127 37.20
   7/16  .4375  1/16 61128 37.20
  29/64  .4531  3/16 61129 42.75
  15/32  .4688  5/16 61130 41.85
  31/64  .4844  3/ 61131 46.95
   1/  .5000  1/ 61132 46.95