ANSI HSS TAPER SHANK TWIST DRILLS
Manufacturing process: rolled, milled, fully ground
Point angle: 118
Flute Type: N
Material: HSS or HSS-Co
Finish: bright, black oxide or TiN
Diameter: 1/8-3-1/4inch
Fractional
Dia.
Dec. Eq.
Flute Length
OAL
Taper Shank #
1/8
.1250
1-7/8
5-1/8
1
9/64
.1406
2-1/8
5-3/8
1
5/32
.1562
2-1/8
5-3/8
1
11/64
.1719
2-1/2
5-3/4
1
3/16
.1875
2-1/2
5-3/4
1
13/64
.2031
2-3/4
6
1
7/32
.2188
2-3/4
6
1
15/64
.2344
2-7/8
6-1/8
1
1/4
.2500
2-7/8
6-1/8
1
17/64
.2656
3
6-1/4
1
9/32
.2812
3
6-1/4
1
19/64
.2969
3-1/8
6-3/8
1
5/16
.3125
3-1/8
6-3/8
1
21/64
.3281
3-1/4
6-1/2
1
11/32
.3438
3-1/4
6-1/2
1
23/64
.3594
3-1/2
6-3/4
1
3/8
.3750
3-1/2
6-3/4
1
25/64
.3906
3-5/8
7
1
13/32
.4062
3-5/8
7
1
27/64
.4219
3-7/8
7-1/4
1
7/16
.4375
3-7/8
7-1/4
1
29/64
.4531
4-1/8
7-1/2
1
15/32
.4688
4-1/8
7-1/2
1
31/64
.4844
4-3/8
8-1/4
2
1/2
.5000
4-3/8
8-1/4
2
33/64
.5156
4-5/8
8-1/2
2
17/32
.5312
4-5/8
8-1/2
2
35/64
.5469
4-7/8
8-3/4
2
9/16
.5625
4-7/8
8-3/4
2
37/64
.5781
4-7/8
8-3/4
2
19/32
.5938
4-7/8
8-3/4
2
39/64
.6094
4-7/8
8-3/4
2
5/8
.6250
4-7/8
8-3/4
2
41/64
.6406
5-1/8
9
2
21/32
.6562
5-1/8
9
2
43/64
.6719
5-3/8
9-1/4
2
11/16
.6875
5-3/8
9-1/4
2
45/64
.7031
5-5/8
9-1/2
2
23/32
.7188
5-5/8
9-1/2
2
47/64
.7344
5-7/8
9-3/4
2
3/4
.7500
5-7/8
9-3/4
2
49/64
.7656
6
9-7/8
2
25/32
.7812
6
9-7/8
2
51/64
.7969
6-1/8
10-3/4
3
13/16
.8125
6-1/8
10-3/4
3
53/64
.8281
6-1/8
10-3/4
3
27/32
.8438
6-1/8
10-3/4
3
55/64
.8594
6-1/8
10-3/4
3
7/8
.8750
6-1/8
10-3/4
3
57/64
.8906
6-1/8
10-3/4
3
29/32
.9062
6-1/8
10-3/4
3
59/64
.9219
6-1/8
10-3/4
3
15/16
.9375
6-1/8
10-3/4
3
61/64
.9531
6-3/8
11
3
31/32
.9688
6-3/8
11
3
63/64
.9844
6-3/8
11
3
1
1.0000
6-3/8
11
3
1-1/64
1.0156
6-1/2
11-1/8
3
1-1/32
1.0312
6-1/2
11-1/8
3
1-3/64
1.0469
6-5/8
11-1/4
3
1-1/16
1.0625
6-5/8
11-1/4
3
1-5/64
1.0781
6-7/8
12-1/2
4
1-3/32
1.0938
6-7/8
12-1/2
4
1-7/64
1.1094
7-1/8
12-3/4
4
1-1/8
1.1250
7-1/8
12-3/4
4
1-9/64
1.1406
7-1/4
12-7/8
4
1-5/32
1.1562
7-1/4
12-7/8
4
1-11/64
1.1719
7-3/8
13
4
1-3/16
1.1875
7-3/8
13
4
1-13/64
1.2031
7-1/2
13-1/8
4
1-7/32
1.2188
7-1/2
13-1/8
4
1-15/64
1.2344
7-7/8
13-1/2
4
1-1/4
1.2500
7-7/8
13-1/2
4
1-17/64
1.2656
8-1/2
14-1/8
4
1-9/32
1.2812
8-1/2
14-1/8
4
1-19/64
1.2969
8-5/8
14-1/4
4
1-5/16
1.3125
8-5/8
14-1/4
4
1-21/64
1.3281
8-3/4
14-3/8
4
1-11/32
1.3438
8-3/4
14-3/8
4
1-23/64
1.3594
8-7/8
14-1/2
4
1-3/8
1.3750
8-7/8
14-1/2
4
1-25/64
1.3906
9
14-5/8
4
1-13/32
1.4062
9
14-5/8
4
1-27/64
1.4219
9-1/8
14-3/4
4
1-7/16
1.4375
9-1/8
14-3/4
4
1-29/64
1.4531
9-1/4
14-7/8
4
1-15/32
1.4688
9-1/4
14-7/8
4
1-31/64
1.4844
9-3/8
15
4
1-1/2
1.5000
9-3/8
15
4
1-17/32
1.5312
9-3/8
16-3/8
5
1-9/16
1.5625
9-5/8
16-5/8
5
1-19/32
1.5938
9-7/8
16-7/8
5
1-5/8
1.6250
10
17
5
1-21/32
1.6562
10-1/8
17-1/8
5
1-11/16
1.6875
10-1/8
17-1/8
5
1-23/32
1.7188
10-1/8
17-1/8
5
1-3/4
1.7500
10-1/8
17-1/8
5
1-25/32
1.7812
10-1/8
17-1/8
5
1-13/16
1.8125
10-1/8
17-1/8
5
1-27/32
1.8438
10-1/8
17-1/8
5
1-7/8
1.8750
10-3/8
17-3/8
5
1-29/32
1.9062
10-3/8
17-3/8
5
1-15/16
1.9375
10-3/8
17-3/8
5
1-31/32
1.9688
10-3/8
17-3/8
5
2
2.0000
10-3/8
17-3/8
5
2-1/32
2.0312
10-3/8
17-3/8
5
2-1/16
2.0625
10-1/4
17-3/8
5
2-3/32
2.0938
10-1/4
17-3/8
5
2-1/8
2.1250
10-1/4
17-3/8
5
2-5/32
2.1562
10-1/4
17-3/8
5
2-3/16
2.1875
10-1/4
17-3/8
5
2-7/32
2.2188
10-1/8
17-3/8
5
2-1/4
2.2500
10-1/8
17-3/8
5
2-5/16
2.3125
10-1/8
17-3/8
5
2-3/8
2.3750
10-1/8
17-3/8
5
2-7/16
2.4375
11-1/4
18-3/4
5
2-1/2
2.5000
11-1/4
18-3/4
5
2-9/16
2.5625
11-7/8
19-1/2
5
2-5/8
2.6250
11-7/8
19-1/2
5
2-11/16
2.6875
12-3/4
20-3/8
5
2-3/4
2.7500
12-3/4
20-3/8
5
2-13/16
2.8125
13-3/8
21-1/8
5
2-7/8
2.8750
13-3/8
21-1/8
5
2-15/16
2.9375
14
21-3/4
5
3
3.0000
14
21-3/4
5
