ANSI HSS STRAIGHT SHANK TWIST DRILLS- TAPER LENGTH

Manufacturing process: milled, fully ground
 Point angle: 118 or 135 split point
 Flute type: N
 Material: HSS or HSS-Co
 Finish: White,TIN Coated,Rainbow Color,Bright,Black & Bright,Zirconium Coating,Black,Coffee Color, etc.
 Diameter: 3/64-1/2inch, A-Z

　 　
　 Related Information:
　 1. HSS Drill Sets
　 2. Combination Drill Sets
　 3. PowerTool Sets
Fractional
Dia. Dec. Eq. Flute Length OAL
1/64 .0156 5/16 1-1/2
1/32 .0312 3/4 2
3/64 .0469 1-1/8 2-1/4
1/16 .0625 1-3/4 3
5/64 .0781 2 3-3/4
3/32 .0938 2-1/4 4-1/4
7/64 .1094 2-1/2 4-5/8
1/8 .1250 2-3/4 5-1/8
9/64 .1406 3 5-3/8
5/32 .1562 3 5-3/8
11/64 .1719 3-3/8 5-3/4
3/16 .1875 3-3/8 5-3/4
13/64 .2031 3-5/8 6
7/32 .2188 3-5/8 6
15/64 .2344 3-3/4 6-1/8
1/4 .2500 3-3/4 6-1/8
17/64 .2656 3-7/8 6-1/4
9/32 .2812 3-7/8 6-1/4
19/64 .2969 4 6-3/8
5/16 .3125 4 6-3/8
21/64 .3281 4-1/8 6-1/2
11/32 .3438 4-1/8 6-1/2
23/64 .3594 4-1/4 6-3/4
3/8 .3750 4-1/4 6-3/4
25/64 .3906 4-3/8 7
13/32 .4062 4-3/8 7
27/64 .4219 4-5/8 7-1/4
7/16 .4375 4-5/8 7-1/4
29/64 .4531 4-3/4 7-1/2
15/32 .4688 4-3/4 7-1/2
31/64 .4844 4-3/4 7-3/4
1/2 .5000 4-3/4 7-3/4
33/64 .5156 4-3/4 8
17/32 .5312 4-3/4 8
35/64 .5469 4-7/8 8-1/4
9/16 .5625 4-7/8 8-1/4
37/64 .5781 4-7/8 8-3/4
19/32 .5938 4-7/8 8-3/4
39/64 .6094 4-7/8 8-3/4
5/8 .6250 4-7/8 8-3/4
41/64 .6406 5-1/8 9
21/32 .6562 5-1/8 9
43/64 .6719 5-3/8 9-1/4
11/16 .6875 5-3/8 9-1/4
45/64 .7031 5-5/8 9-1/2
23/32 .7188 5-5/8 9-1/2
47/64 .7344 5-7/8 9-3/4
3/4 .7500 5-7/8 9-3/4
49/64 .7656 6 9-7/8
25/32 .7812 6 9-7/8
51/64 .7969 6-1/8 10
13/16 .8125 6-1/8 10
53/64 .8281 6-1/8 10
27/32 .8438 6-1/8 10
55/64 .8594 6-1/8 10
7/8 .8750 6-1/8 10
57/64 .8906 6-1/8 10
29/32 .9062 6-1/8 10
59/64 .9219 6-1/8 10-3/4
15/16 .9375 6-1/8 10-3/4
61/64 .9531 6-3/8 11
31/32 .9688 6-3/8 11
63/64 .9844 6-3/8 11
1 1.0000 6-3/8 11
1-1/64 1.0156 6-1/2 11-1/8
1-1/32 1.0312 6-1/2 11-1/8
1-3/64 1.0469 6-5/8 11-1/4
1-1/16 1.0625 6-5/8 11-1/4
1-5/64 1.0781 6-7/8 11-1/2
1-3/32 1.0938 6-7/8 11-1/2
1-7/64 1.1094 7-1/8 11-3/4
1-1/8 1.1250 7-1/8 11-3/4
1-9/64 1.1406 7-1/4 11-7/8
1-5/32 1.1562 7-1/4 11-7/8
1-11/64 1.1719 7-3/8 12
1-3/16 1.1875 7-3/8 12
1-13/64 1.2031 7-1/2 12-1/8
1-7/32 1.2188 7-1/2 12-1/8
1-15/64 1.2344 7-7/8 12-1/2
1-1/4 1.2500 7-7/8 12-1/2
1-5/16 1.3125 8-5/8 14-1/4
1-3/8 1.3750 8-7/8 14-1/2
1-7/16 1.4375 9-1/8 14-3/4
1-1/2 1.5000 9-3/8 15
1-9/16 1.5625 9-5/8 15-1/4
1-5/8 1.6250 9-7/8 15-5/8
1-3/4 1.7500 10-1/2 16-1/4
Wire
Dia. Dec. Eq. Flute Length OAL
1 .2280 3-3/4 6-1/8
2 .2210 3-3/4 6-1/8
3 .2130 3-5/8 6
4 .2090 3-5/8 6
5 .2055 3-5/8 6
6 .2040 3-5/8 6
7 .2010 3-5/8 6
8 .1990 3-5/8 6
9 .1960 3-5/8 6
10 .1935 3-5/8 6
11 .1910 3-5/8 6
12 .1890 3-5/8 6
13 .1850 3-3/8 5-3/4
14 .1820 3-3/8 5-3/4
15 .1800 3-3/8 5-3/4
16 .1770 3-3/8 5-3/4
17 .1730 3-3/8 5-3/4
18 .1695 3-3/8 5-3/4
19 .1660 3-3/8 5-3/4
20 .1610 3-3/8 5-3/4
21 .1590 3-3/8 5-3/4
22 .1570 3-3/8 5-3/4
23 .1540 3 5-3/8
24 .1520 3 5-3/8
25 .1495 3 5-3/8
26 .1470 3 5-3/8
27 .1440 3 5-3/8
28 .1405 3 5-3/8
29 .1360 3 5-3/8
30 .1285 3 5-3/8
31 .1200 2-3/4 5-1/8
32 .1160 2-3/4 5-1/8
33 .1130 2-3/4 5-1/8
34 .1110 2-3/4 5-1/8
35 .1100 2-3/4 5-1/8
36 .1065 2-1/2 4-5/8
37 .1040 2-1/2 4-5/8
38 .1015 2-1/2 4-5/8
39 .0995 2-1/2 4-5/8
40 .0980 2-1/2 4-5/8
41 .0960 2-1/2 4-5/8
42 .0935 2-1/4 4-1/4
43 .0890 2-1/4 4-1/4
44 .0860 2-1/4 4-1/4
45 .0820 2-1/4 4-1/4
46 .0810 2-1/4 4-1/4
47 .0785 2-1/4 4-1/4
48 .0760 2 3-3/4
49 .0730 2 3-3/4
50 .0700 2 3-3/4
51 .0670 2 3-3/4
52 .0635 2 3-3/4
53 .0595 1-3/4 3
54 .0550 1-3/4 3
55 .0520 1-3/4 3
56 .0465 1-1/8 2-1/4
57 .0430 1-1/8 2-1/4
58 .0420 1-1/8 2-1/4
59 .0410 1-1/8 2-1/4
60 .0400 1-1/8 2-1/4
61 .0390 1-1/8 2-1/4
62 .0380 3/4 2
63 .0370 3/4 2
64 .0360 3/4 2
65 .0350 3/4 2
66 .0330 3/4 2
67 .0320 3/4 2
68 .0310 3/4 2
69 .0292 3/4 2
70 .0280 3/4 2
71 .0260 3/4 2
72 .0250 5/16 1-1/2
73 .0240 5/16 1-1/2
74 .0225 5/16 1-1/2
75 .0210 5/16 1-1/2
76 .0200 5/16 1-1/2
77 .0180 5/16 1-1/2
78 .0160 5/16 1-1/2
79 .0145 5/16 1-1/2
80 .0135 5/16 1-1/2
　
Letter
Dia. Dec. Eq. Flute Length OAL
A .2340 3-3/4 6-1/8
B .2380 3-3/4 6-1/8
C .2420 3-3/4 6-1/8
D .2460 3-3/4 6-1/8
E .2500 3-3/4 6-1/8
F .2570 3-7/8 6-1/4
G .2610 3-7/8 6-1/4
H .2660 3-7/8 6-1/4
I .2720 3-7/8 6-1/4
J .2770 3-7/8 6-1/4
K .2810 3-7/8 6-1/4
L .2900 4 6-3/8
M .2950 4 6-3/8
N .3020 4 6-3/8
O .3160 4-1/8 6-1/2
P .3230 4-1/8 6-1/2
Q .3320 4-1/8 6-1/2
R .3390 4-1/8 6-1/2
S .3480 4-1/4 6-3/4
T .3580 4-1/4 6-3/4
U .3680 4-1/4 6-3/4
V .3770 4-3/8 7
W .3860 4-3/8 7
X .3970 4-3/8 7
Y .4040 4-3/8 7
Z .4130 4-5/8 7-1/4