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 $39.00
31  .1200  5/ 61331 34.80
   1/  .1250  5/ 61108 27.00
30  .1285  5/ 61330 36.65
29  .1360  3/ 61329 37.90
28  .1405  3/ 61328 38.60
   9/64  .1406  3/ 61109 29.25
27  .1440  7/ 61327 39.30
26  .1470  7/ 61326 38.60
25  .1495  7/ 61325 38.60
24  .1520         61324 39.30
23  .1540         61323 38.60
   5/32  .1563         61110 28.75
22  .1570         61322 42.10
21  .1590  1/ 61321 40.90
20  .1610  1/ 61320 41.80
19  .1660  1/ 61319 41.80
18  .1695  1/ 61318 41.80
  11/64  .1719  1/ 61111 31.30
17  .1730  3/16 61317 41.80
16  .1770  3/16 61316 40.90
15  .1800  3/16 61315 42.10
14  .1820  3/16 61314 40.90
13  .1850  5/16 61313 40.90
   3/16  .1875  5/16 61112 30.65
12  .1890  5/16 61312 42.50
11  .1910  5/16 61311 43.15
10  .1935  7/16 61310 42.50
9  .1960  7/16 61309 43.15
8  .1990  7/16 61308 43.15
7  .2010  7/16 61307 43.15
  13/64  .2031  7/16 61113 33.50
6  .2040  1/ 61306 44.30
5  .2055  1/ 61305 43.15
4  .2090  1/ 61304 40.50
3  .2130  1/ 61303 43.15
   7/32  .2188  1/ 61114 33.50
2  .2210  5/ 61302 42.35
1  .2280  5/ 61301 41.80
A  .2340  5/ 61501 50.15
  15/64  .2344  5/ 61115 36.05
B  .2380  3/ 61502 50.15
C  .2420  3/ 61503 50.15
D  .2460  3/ 61504 49.35
   1/ E  .2500  3/ 61116 36.05
F  .2570  7/ 61506 51.55
G  .2610  7/ 61507 52.80
  17/64  .2656  7/ 61117 38.60
H  .2660  7/ 61508 53.90
I  .2720  7/ 61509 52.80
J  .2770  7/ 61510 53.90
K  .2810 15/16 61511 53.90
   9/32  .2813 15/16 61118 38.60
L  .2900 15/16 61512 53.90
M  .2950  1/16 61513 59.40
  19/64  .2969  1/16 61119 41.80
N  .3020  1/16 61514 58.10
   5/16  .3125  3/16 61120 41.80
O  .3160  3/16 61515 55.20
P  .3230  5/16 61516 58.70
  21/64  .3281  5/16 61121 44.50
Q  .3320  7/16 61517 60.30
R  .3390  7/16 61518 58.70
  11/32  .3438  7/16 61122 44.50
S  .3480  1/ 61519 63.45
T  .3580  1/ 61520 65.05
  23/64  .3594  1/ 61123 47.25
U  .3680  5/ 61521 62.65
   3/  .3750  5/ 61124 47.25
V  .3770  5/ 61522 63.45
W  .3860  3/ 61523 68.10
  25/64  .3906  3/ 61125 48.70
X  .3970  3/ 61524 64.55
Y  .4040  7/ 61525 66.95
  13/32  .4063  7/ 61126 47.95
Z  .4130  7/ 61526 75.50
  27/64  .4219 15/16 61127 52.80
   7/16  .4375  1/16 61128 52.80
  29/64  .4531  3/16 61129 60.65
  15/32  .4688  5/16 61130 59.40
  31/64  .4844  3/ 61131 66.65
   1/  .5000  1/ 61132 66.65