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Besly Turboflute 
Jobbers Length 
Twist Drills

High Speed Steel
Straight Shank
Surface Treated

Wire Gage Sizes:
53 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1

Letter Sizes:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Fractional Sizes:
1/16 | 5/64 | 3/32 | 7/64 | 1/8 | 9/64 | 5/32 | 11/64 | 3/16 | 13/64 | 7/32 | 15/64 | 1/4 | 17/64 | 9/32 | 19/64 | 5/16 | 21/64 | 11/32 | 23/64 | 3/8 | 25/64 | 13/32 | 27/64 | 7/16 | 29/64 | 15/32 | 31/64 | 1/2

 Catalog Numbers: T-705-TF

Besly Turboflute Jobbers Length Twist Drills

Besly Turboflute Drills have heavy duty parabolic profiled flutes for easy chip flow. Designed for automotive, aerospace, and other high volume metalworking industries, they give longer life and better drilled hole quality while allowing increased feed rates. The split point design seats itself and holds centers. These surface treated drills are intended for drilling stringy, low and medium strength steels below 120,000 psi ultimate tensile strength.

Please call 800 435-2965 for current prices.

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All dimensions are in inches.                 
  Besly TurboFlute Jobbers Length Twist Drills
Catl No. T-705-TF
Wire Gage Sizes		    
 
   
Wire Gage Size Decimal Equiv. EDP No Pkg Qty Overall Length
A		 Flute Length
B
53 .0595 20948 12 1-7/8 7/8
52 .0635 20947 12 1-7/8 7/8
51 .0670 20946 12 2 1
50 .0700 20939 12 2 1
49 .0730 20938 12 2 1
48 .0760 20937 12 2 1
47 .0785 20936 12 2 1
46 .0810 20929 12 2-1/8 1-1/8
45 .0820 20928 12 2-1/8 1-1/8
44 .0860 20927 12 2-1/8 1-1/8
43 .0890 20926 12 2-1/4 1-1/4
42 .0935 20919 12 2-1/4 1-1/4
41 .0960 20918 12 2-3/8 1-3/8
40 .0980 20501 12 2-3/8 1-3/8
39 .0995 20500 12 2-3/8 1-3/8
38 .1015 20495 12 2-1/2 1-7/16
37 .1040 20494 12 2-1/2 1-7/16
36 .1065 20493 12 2-1/2 1-7/16
35 .1100 20492 12 2-5/8 1-1/2
34 .1110 20491 12 2-5/8 1-1/2
33 .1130 20490 12 2-5/8 1-1/2
32 .1160 20603 12 2-3/4 1-5/8
31 .1200 20602 12 2-3/4 1-5/8
30 .1285 20601 12 2-3/4 1-5/8
29 .1360 20600 12 2-7/8 1-3/4
28 .1405 20595 12 2-7/8 1-3/4
27 .1440 20594 12 3 1-7/8
26 .1470 20593 12 3 1-7/8
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Wire Gage Size Decimal Equiv. EDP No Pkg Qty Overall Length
A		 Flute Length
B
25 .1495 20592 12 3 1-7/8
24 .1520 20591 12 3-1/8 2
23 .1540 20590 12 3-1/8 2
22 .1570 20585 12 3-1/8 2
21 .1590 20584 12 3-1/4 2-1/8
20 .1610 20583 12 3-1/4 2-1/8
19 .1660 20582 12 3-1/4 2-1/8
18 .1695 20581 12 3-1/4 2-1/8
17 .1730 20580 12 3-3/8 2-3/16
16 .1770 20575 12 3-3/8 2-3/16
15 .1800 20574 12 3-3/8 2-3/16
14 .1820 20573 12 3-3/8 2-3/16
13 .1850 20572 12 3-1/2 2-5/16
12 .1890 20571 12 3-1/2 2-5/16
11 .1910 20570 12 3-1/2 2-5/16
10 .1935 20565 12 3-5/8 2-7/16
9 .1960 20564 12 3-5/8 2-7/16
8 .1990 20563 12 3-5/8 2-7/16
7 .2010 20444 12 3-5/8 2-1/2
6 .2040 20562 12 3-3/4 2-1/2
5 .2055 20561 12 3-3/4 2-1/2
4 .2090 20560 12 3-3/4 2-1/2
3 .2130 20555 12 3-3/4 2-1/2
2 .2210 20554 12 3-7/8 2-5/8
1 .2280 20553 12 3-7/8 2-5/8
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All dimensions are in inches.                 
  Besly TurboFlute Jobbers Length Twist Drills
Catl No. T-705-TF
Letter Sizes		    
 
   
Letter Size Decimal Equiv. EDP No Pkg Qty Overall Length
A		 Flute Length
B
A .2340 29953 12 3-7/8 2-5/8
B .2380 29954 12 4 2-3/4
C .2420 29955 12 4 2-3/4
D .2460 29956 12 4 2-3/4
E .2500 20523 12 4 2-3/4
F .2570 29957 12 4-1/8 2-7/8
G .2610 29958 12 4-1/8 2-7/8
H .2660 29959 12 4-1/8 2-7/8
I .2720 29960 12 4-1/8 2-7/8
J .2770 29961 12 4-1/8 2-7/8
K .2810 29962 12 4-1/4 2-15/16
L .2900 29963 12 4-1/4 2-15/16
M .2950 29964 6 4-3/8 3-1/16
N .3020 29965 6 4-3/8 3-1/16
O .3160 29966 6 4-1/2 3-3/16
P .3230 29967 6 4-5/8 3-5/16
Q .3320 29968 6 4-3/4 3-7/16
R .3390 29969 6 4-3/4 3-7/16
S .3480 29970 6 4-7/8 3-1/2
T .3580 29971 6 4-7/8 3-1/2
U .3680 29972 6 5 3-5/8
V .3770 29973 6 5 3-5/8
W .3860 29974 6 5-1/8 3-3/4
X .3970 29975 6 5-1/8 3-3/4
Y .4040 29976 6 5-1/4 3-7/8
Z .4130 29977 6 5-1/4 3-7/8
Go to the top of the page.
 
All dimensions are in inches.                 
  Besly TurboFlute Jobbers Length Twist Drills
Catl No. T-705-TF
Fractional Sizes		    
 
   
Fractional Size Decimal Equiv. EDP No Pkg Qty Overall Length
A		 Flute Length
B
1/16 .0625 20909 12 1-7/8 7/8
5/64 .0781 20916 12 2 1
3/32 .0938 20917 12 2-1/4 1-1/4
7/64 .1094 20510 12 2-5/8 1-1/2
1/8 .1250 20511 12 2-3/4 1-5/8
9/64 .1406 20512 12 2-7/8 1-3/4
5/32 .1562 20513 12 3-1/8 2
11/64 .1719 20514 12 3-1/4 2-1/8
3/16 .1875 20515 12 3-1/2 2-5/16
13/64 .2031 20520 12 3-5/8 2-7/16
7/32 .2188 20521 12 3-3/4 2-1/2
15/64 .2344 20522 12 3-7/8 2-5/8
1/4 .2500 20523 12 4 2-3/4
17/64 .2656 20524 12 4-1/8 2-7/8
9/32 .2812 20525 12 4-1/4 2-15/16
19/64 .2969 20530 6 4-3/8 3-1/16
5/16 .3125 20531 6 4-1/2 3-3/16
21/64 .3281 20532 6 4-5/8 3-5/16
11/32 .3438 20533 6 4-3/4 3-7/16
23/64 .3594 20534 6 4-7/8 3-1/2
3/8 .3750 20535 6 5 3-5/8
25/64 .3906 20540 6 5-1/8 3-3/4
13/32 .4062 20541 6 5-1/4 3-7/8
27/64 .4219 20542 6 5-3/8 3-5/16
7/16 .4375 20543 6 5-1/2 4-1/16
29/64 .4531 20544 6 5-5/8 4-3/16
15/32 .4688 20545 6 5-3/4 4-5/16
31/64 .4844 20550 6 5-7/8 4-3/8
1/2 .5000 20551 6 6 4-1/2
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Sales Office  16200 Woodmint Lane  South Beloit, IL 61080  (815) 389-2231  fax (815) 389-1339  sales@besly.com
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