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Besly
Jobbers Length Cobalt
Twist Drills

High Speed Steel
Straight Shank
Cobalt

Wire Gage Sizes:
60-50 | 49-40 | 39-30 |
29-20 | 19-10 | 9-1

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:
1/64 | 1/32 | 3/64 | 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-805

Besly Jobbers Length General Purpose Twist Drills

These drills are made of super cobalt steel for resistance against the high temperatures generated by drilling in tough, hard materials such as high temperature alloys and stainless steels. High drill hardness also makes these tools outstanding when used in highly abrasive materials

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

 
All dimensions are in inches.
  Besly Jobbers Length
Cobalt Twist Drills

Catl No. T-805

Wire Gage Sizes
 
 
   
Wire Gage
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
A
Flute
Length
B
60 .0400 22964 12 1-5/8 11/16
59 .0410 22963 12 1-5/8 11/16
58 .0420 22962 12 1-5/8 11/16
57 .0430 22961 12 1-5/8 3/4
56 .0465 22960 12 1-3/4 3/4
55 .0520 22955 12 1-3/4 7/8
54 .0550 22954 12 1-7/8 7/8
53 .0595 22953 12 1-7/8 7/8
52 .0635 22952 12 1-7/8 7/8
51 .0670 22951 12 2 1
50 .0700 22950 12 2 1
49 .0730 22945 12 2 1
48 .0760 22944 12 2 2
47 .0785 22943 12 2 1
46 .0810 22942 12 2-1/8 1-1/8
45 .0820 22941 12 2-1/8 1-1/8
44 .0860 22940 12 2-1/8 1-1/8
43 .0890 22935 12 2-1/4 1-1/4
42 .0935 22934 12 2-1/4 1-1/4
41 .0960 22933 12 2-3/8 1-3/8
40 .0980 22932 12 2-3/8 1-3/8
  Go to the top of the page.
Wire Gage
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
A
Flute
Length
B
39 .0995 22931 12 2-3/8 1-3/8
38 .1015 22930 12 2-1/2 1-7/16
37 .1040 22925 12 2-1/2 1-7/16
36 .1065 22924 12 2-1/2 1-7/16
35 .1100 22923 12 2-5/8 1-1/2
34 .1110 22922 12 2-5/8 1-1/2
33 .1130 22921 12 2-5/8 1-1/2
32 .1160 22920 12 2-3/4 1-5/8
31 .1200 22915 12 2-3/4 1-5/8
30 .1285 22914 12 2-3/4 1-5/8
29 .1360 22913 12 2-7/8 1-3/4
28 .1405 22912 12 2-7/8 1-3/4
27 .1440 22911 12 3 1-7/8
26 .1470 22910 12 3 1-7/8
25 .1495 22905 12 3 1-7/8
24 .1520 22904 12 3-1/8 2
23 .1540 22903 12 3-1/8 2
22 .1570 22902 12 3-1/8 2
21 .1590 22901 12 3-1/4 2-1/8
20 .1610 22900 12 3-1/4 2-1/8
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Wire Gage
Size
Decimal
Equiv.
EDP No Pkg Qty Overall
Length
A
Flute
Length
B
19 .1660 22895 12 3-1/4 2-1/8
18 .1695 22894 12 3-1/4 2-1/8
17 .1730 22893 12 3-3/8 2-3/16
16 .1770 22892 12 3-3/8 2-3/16
15 .1800 22891 12 3-3/8 2-3/16
14 .1820 22890 12 3-3/8 2-3/16
13 .1850 22885 12 3-1/2 2-5/16
12 .1890 22884 12 3-1/2 2-5/16
11 .1910 22883 12 3-1/2 2-5/16
10 .1935 22882 12 3-5/8 2-7/16
9 .1960 22881 12 3-5/8 2-7/16
8 .1990 22800 12 3-5/8 2-7/16
7 .2010 22875 12 3-5/8 2-7/16
6 .2040 22874 12 3-3/4 2-1/2
5 .2055 22873 12 3-3/4 2-1/2
4 .2090 22872 12 3-3/4 2-1/2
3 .2130 22871 12 3-3/4 2-1/2
2 .2210 22870 12 3-7/8 2-5/8
1 .2280 22865 12 3-7/8 2-5/8
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All dimensions are in inches.
  Besly Jobbers Length
Cobalt Twist Drills

Catl No. T-805

Letter Sizes
 
 
   
Letter
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
A
Flute
Length
B
A .2340 29892 12 3-7/8 2-5/8
B .2380 29893 12 4 2-3/4
C .2420 29894 12 4 2-3/4
D .2460 29895 12 4 2-3/4
E .2500 22840 12 4 2-3/4
F .2570 29901 12 4-1/8 2-7/8
G .2610 29902 12 4-1/8 2-7/8
H .2660 29903 12 4-1/8 2-7/8
I .2720 29904 12 4-1/8 2-7/8
J .2770 29905 12 4-1/8 2-7/8
K .2810 29910 12 4-1/4 2-15/16
L .2900 29911 12 4-1/4 2-15/16
M .2950 29912 6 4-3/8 3-1/16
N .3020 29913 6 4-3/8 3-1/16
O .3160 29914 6 4-3/8 3-3/16
P .3230 29915 6 4-5/8 3-5/16
Q .3320 29920 6 4-3/4 3-7/16
R .3390 29921 6 4-3/4 3-7/16
S .3480 29922 6 4-7/8 3-1/2
T .3580 29923 6 4-7/8 3-1/2
U .3680 29924 6 5 3-5/8
V .3770 29925 6 5 3-5/8
W .3860 29930 6 5-1/8 3-3/4
X .3970 29931 6 5-1/8 3-3/4
Y .4040 29932 6 5-1/4 3-7/8
Z .4130 29933 6 5-1/4 3-7/8
  Go to the top of the page.
 
All dimensions are in inches.
  Besly Jobbers Length
Cobalt Twist Drills

Catl No. T-805

Fractional Sizes
 
 
   
Fractional
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
A
Flute
Length
B
1/64 .0156 27798 12 3/4 3/16
1/32 .0312 27799 12 1-3/8 1/2
3/64 .0469 22815 12 1-3/4 3/4
1/16 .0625 22820 12 1-7/8 7/8
5/64 .0781 22821 12 2 1
3/32 .0938 22822 12 2-1/4 1-1/4
7/64 .1094 22823 12 2-5/8 1-1/2
1/8 .1250 22824 12 2-3/4 1-5/8
9/64 .1406 22825 12 2-7/8 1-3/4
5/32 .1562 22830 12 3-1/8 2
11/64 .1719 22831 12 3-1/4 2-1/8
3/16 .1875 22832 12 3-1/2 2-5/16
13/64 .2031 22833 12 3-5/8 2-7/16
7/32 .2188 22834 12 3-3/4 2-1/2
15/64 .2344 22835 12 3-7/8 2-5/8
1/4 .2500 22840 12 4 2-3/4
17/64 .2656 22841 12 4-1/8 2-7/8
9/32 .2812 22842 12 4-1/4 2-15/16
19/64 .2969 22843 6 4-3/8 3-1/16
  Go to the top of the page.
Fractional
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
A
Flute
Length
B
5/16 .3125 22844 6 4-1/2 3-3/16
21/64 .3281 22845 6 4-5/8 3-5/16
11/32 .3438 22850 6 4-3/4 3-7/16
23/64 .3594 22851 6 4-7/8 3-1/2
3/8 .3750 22852 6 5 3-5/8
25/64 .3906 22853 6 5-1/8 3-3/4
13/32 .4062 22854 6 5-1/4 3-7/8
27/64 .4219 22855 6 5-3/8 3-15/16
7/16 .4375 22860 6 5-1/2 4-1/16
29/64 .4531 22861 6 5-5/8 4-3/16
15/32 .4688 22862 6 5-3/4 4-5/16
31/64 .4844 22863 6 5-7/8 4-3/8
1/2 .5000 22864 6 6 4-1/2
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