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 $25.45
31  .1200  5/ 61331 22.70
   1/  .1250  5/ 61108 17.65
30  .1285  5/ 61330 23.95
29  .1360  3/ 61329 24.70
28  .1405  3/ 61328 25.20
   9/64  .1406  3/ 61109 19.10
27  .1440  7/ 61327 25.65
26  .1470  7/ 61326 25.20
25  .1495  7/ 61325 25.20
24  .1520         61324 25.65
23  .1540         61323 25.20
   5/32  .1563         61110 18.75
22  .1570         61322 27.50
21  .1590  1/ 61321 26.65
20  .1610  1/ 61320 27.25
19  .1660  1/ 61319 27.25
18  .1695  1/ 61318 27.25
  11/64  .1719  1/ 61111 20.40
17  .1730  3/16 61317 27.25
16  .1770  3/16 61316 26.65
15  .1800  3/16 61315 27.50
14  .1820  3/16 61314 26.65
13  .1850  5/16 61313 26.65
   3/16  .1875  5/16 61112 20.00
12  .1890  5/16 61312 27.75
11  .1910  5/16 61311 28.15
10  .1935  7/16 61310 27.75
9  .1960  7/16 61309 28.15
8  .1990  7/16 61308 28.15
7  .2010  7/16 61307 28.15
  13/64  .2031  7/16 61113 21.85
6  .2040  1/ 61306 28.90
5  .2055  1/ 61305 28.15
4  .2090  1/ 61304 26.45
3  .2130  1/ 61303 28.15
   7/32  .2188  1/ 61114 21.85
2  .2210  5/ 61302 27.60
1  .2280  5/ 61301 27.25
A  .2340  5/ 61501 32.75
  15/64  .2344  5/ 61115 23.55
B  .2380  3/ 61502 32.75
C  .2420  3/ 61503 32.75
D  .2460  3/ 61504 32.20
   1/ E  .2500  3/ 61116 23.55
F  .2570  7/ 61506 33.65
G  .2610  7/ 61507 34.45
  17/64  .2656  7/ 61117 25.20
H  .2660  7/ 61508 35.20
I  .2720  7/ 61509 34.45
J  .2770  7/ 61510 35.20
K  .2810 15/16 61511 35.20
   9/32  .2813 15/16 61118 25.20
L  .2900 15/16 61512 35.20
M  .2950  1/16 61513 38.75
  19/64  .2969  1/16 61119 27.25
N  .3020  1/16 61514 37.90
   5/16  .3125  3/16 61120 27.25
O  .3160  3/16 61515 36.00
P  .3230  5/16 61516 38.30
  21/64  .3281  5/16 61121 29.05
Q  .3320  7/16 61517 39.35
R  .3390  7/16 61518 38.30
  11/32  .3438  7/16 61122 29.05
S  .3480  1/ 61519 41.40
T  .3580  1/ 61520 42.45
  23/64  .3594  1/ 61123 30.85
U  .3680  5/ 61521 40.90
   3/  .3750  5/ 61124 30.85
V  .3770  5/ 61522 41.40
W  .3860  3/ 61523 44.45
  25/64  .3906  3/ 61125 31.80
X  .3970  3/ 61524 42.15
Y  .4040  7/ 61525 43.65
  13/32  .4063  7/ 61126 31.30
Z  .4130  7/ 61526 49.25
  27/64  .4219 15/16 61127 34.45
   7/16  .4375  1/16 61128 34.45
  29/64  .4531  3/16 61129 39.60
  15/32  .4688  5/16 61130 38.75
  31/64  .4844  3/ 61131 43.45
   1/  .5000  1/ 61132 43.45