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 $22.85
31  .1200  5/ 61331 20.40
   1/  .1250  5/ 61108 15.85
30  .1285  5/ 61330 21.50
29  .1360  3/ 61329 22.20
28  .1405  3/ 61328 22.60
   9/64  .1406  3/ 61109 17.15
27  .1440  7/ 61327 23.05
26  .1470  7/ 61326 22.60
25  .1495  7/ 61325 22.60
24  .1520         61324 23.05
23  .1540         61323 22.60
   5/32  .1563         61110 16.85
22  .1570         61322 24.70
21  .1590  1/ 61321 23.95
20  .1610  1/ 61320 24.50
19  .1660  1/ 61319 24.50
18  .1695  1/ 61318 24.50
  11/64  .1719  1/ 61111 18.35
17  .1730  3/16 61317 24.50
16  .1770  3/16 61316 23.95
15  .1800  3/16 61315 24.70
14  .1820  3/16 61314 23.95
13  .1850  5/16 61313 23.95
   3/16  .1875  5/16 61112 17.95
12  .1890  5/16 61312 24.95
11  .1910  5/16 61311 25.30
10  .1935  7/16 61310 24.95
9  .1960  7/16 61309 25.30
8  .1990  7/16 61308 25.30
7  .2010  7/16 61307 25.30
  13/64  .2031  7/16 61113 19.60
6  .2040  1/ 61306 25.95
5  .2055  1/ 61305 25.30
4  .2090  1/ 61304 23.75
3  .2130  1/ 61303 25.30
   7/32  .2188  1/ 61114 19.60
2  .2210  5/ 61302 24.80
1  .2280  5/ 61301 24.50
A  .2340  5/ 61501 29.45
  15/64  .2344  5/ 61115 21.15
B  .2380  3/ 61502 29.45
C  .2420  3/ 61503 29.45
D  .2460  3/ 61504 28.95
   1/ E  .2500  3/ 61116 21.15
F  .2570  7/ 61506 30.25
G  .2610  7/ 61507 30.95
  17/64  .2656  7/ 61117 22.60
H  .2660  7/ 61508 31.60
I  .2720  7/ 61509 30.95
J  .2770  7/ 61510 31.60
K  .2810 15/16 61511 31.60
   9/32  .2813 15/16 61118 22.60
L  .2900 15/16 61512 31.60
M  .2950  1/16 61513 34.80
  19/64  .2969  1/16 61119 24.50
N  .3020  1/16 61514 34.05
   5/16  .3125  3/16 61120 24.50
O  .3160  3/16 61515 32.35
P  .3230  5/16 61516 34.45
  21/64  .3281  5/16 61121 26.10
Q  .3320  7/16 61517 35.35
R  .3390  7/16 61518 34.45
  11/32  .3438  7/16 61122 26.10
S  .3480  1/ 61519 37.20
T  .3580  1/ 61520 38.15
  23/64  .3594  1/ 61123 27.70
U  .3680  5/ 61521 36.75
   3/  .3750  5/ 61124 27.70
V  .3770  5/ 61522 37.20
W  .3860  3/ 61523 39.95
  25/64  .3906  3/ 61125 28.55
X  .3970  3/ 61524 37.85
Y  .4040  7/ 61525 39.25
  13/32  .4063  7/ 61126 28.15
Z  .4130  7/ 61526 44.25
  27/64  .4219 15/16 61127 30.95
   7/16  .4375  1/16 61128 30.95
  29/64  .4531  3/16 61129 35.55
  15/32  .4688  5/16 61130 34.80
  31/64  .4844  3/ 61131 39.05
   1/  .5000  1/ 61132 39.05