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Hole diameter (drill diameter) D(mm)

0.2
0.25
0.28
0.3
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.4
0.41
0.42
0.43
0.44
0.45
0.46
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
0.56
0.57
0.58
0.59
0.6
0.61
0.62
0.63
0.64
0.65
0.66
0.67
0.68
0.69
0.7
0.71
0.72
0.73
0.74
0.75
0.76
0.77
0.78
0.79
0.8
0.81
0.82
0.83
0.84
0.85
0.86
0.87
0.88
0.89
0.9
0.91
0.92
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1
1.01
1.02
1.03
1.04
1.05
1.06
1.07
1.08
1.09
1.1
1.11
1.12
1.13
1.14
1.15
1.16
1.17
1.18
1.19
1.2
1.21
1.22
1.23
1.24
1.25
1.26
1.27
1.28
1.29
1.3
1.31
1.32
1.33
1.34
1.35
1.36
1.37
1.38
1.39
1.4
1.41
1.42
1.43
1.44
1.45
1.46
1.47
1.48
1.49
1.5
1.5X10D
1.51
1.52
1.53
1.54
1.55
1.56
1.57
1.58
1.59
1.6
1.6×10D
1.61
1.62
1.63
1.64
1.65
1.66
1.67
1.68
1.69
1.7
1.71
1.72
1.73
1.74
1.75
1.76
1.77
1.78
1.79
1.8
1.8×10D
1.81
1.82
1.83
1.84
1.85
1.86
1.87
1.88
1.89
1.9
1.91
1.92
1.93
1.94
1.95
1.96
1.97
1.98
1.99
2
2×10D
2.01
2.02
2.03
2.04
2.05
2.06
2.07
2.08
2.09
2.1
2.1×10D
2.11
2.12
2.13
2.14
2.15
2.16
2.17
2.18
2.19
2.2
2.2×10D
2.21
2.22
2.23
2.24
2.25
2.26
2.27
2.28
2.29
2.3
2.3×10D
2.31
2.32
2.33
2.34
2.35
2.36
2.37
2.38
2.39
2.4
2.4×10D
2.41
2.42
2.43
2.44
2.45
2.46
2.47
2.48
2.49
2.5
2.5×10D
2.51
2.52
2.53
2.54
2.55
2.56
2.57
2.58
2.59
2.6
2.6×10D
2.61
2.62
2.63
2.64
2.65
2.66
2.67
2.68
2.69
2.7
2.7×10D
2.71
2.72
2.73
2.74
2.75
2.76
2.77
2.78
2.79
2.8
2.8×10D
2.81
2.82
2.83
2.84
2.85
2.86
2.87
2.88
2.89
2.9
2.9×10D
2.91
2.92
2.93
2.94
2.95
2.96
2.97
2.98
2.99
3
3×10D
3.01
3.02
3.03
3.05
3.06
3.07
3.08
3.09
3.1
3.1×10D
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.2
3.2×10D
3.21
3.22
3.23
3.24
3.25
3.26
3.27
3.28
3.29
3.3
3.3×10D
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.38
3.39
3.4
3.4×10D
3.41
3.42
3.43
3.44
3.45
3.46
3.47
3.48
3.49
3.5
3.5×10D
3.51
3.52
3.53
3.54
3.55
3.56
3.57
3.58
3.59
3.6
3.6×10D
3.61
3.62
3.63
3.64
3.65
3.66
3.67
3.68
3.69
3.7
3.7×10D
3.71
3.72
3.73
3.74
3.75
3.76
3.77
3.78
3.79
3.8
3.8×10D
3.81
3.82
3.83
3.84
3.85
3.86
3.87
3.88
3.89
3.9
3.9×10D
3.91
3.92
3.93
3.94
3.95
3.96
3.97
3.98
3.99
4
4×10D
4.01
4.02
4.03
4.04
4.05
4.06
4.07
4.08
4.09
4.1
4.1×10D
4.11
4.12
4.13
4.14
4.15
4.16
4.17
4.18
4.19
4.2
4.2×10D
4.21
4.22
4.23
4.24
4.25
4.26
4.27
4.28
4.29
4.3
4.3×10D
4.31
4.32
4.33
4.34
4.35
4.36
4.37
4.38
4.39
4.4
4.4×10D
4.41
4.42
4.43
4.44
4.45
4.46
4.47
4.48
4.49
4.5
4.5×10D
4.51
4.52
4.53
4.54
4.55
4.56
4.57
4.58
4.59
4.6
4.6×10D
4.61
4.62
4.63
4.64
4.65
4.66
4.67
4.68
4.69
4.7
4.7×10D
4.71
4.72
4.73
4.74
4.75
4.76
4.77
4.78
4.79
4.8
4.8×10D
4.81
4.82
4.83
4.84
4.85
4.86
4.864
4.87
4.88
4.89
4.9
4.9×10D
4.91
4.92
4.93
4.94
4.95
4.96
4.97
4.98
4.99
5
5×10D
5.01
5.02
5.03
5.04
5.05
5.06
5.07
5.08
5.09
5.1
5.1×10D
5.11
5.12
5.13
5.14
5.15
5.16
5.17
5.18
5.19
5.2
5.2×10D
5.21
5.22
5.23
5.24
5.25
5.26
5.27
5.28
5.29
5.3
5.3×10D
5.31
5.32
5.33
5.34
5.35
5.36
5.37
5.38
5.39
5.4
5.4×10D
5.41
5.42
5.43
5.44
5.45
5.46
5.47
5.48
5.49
5.5
5.5×10D
5.51
5.52
5.53
5.54
5.55
5.56
5.57
5.58
5.59
5.6
5.6×10D
5.61
5.62
5.63
5.64
5.65
5.66
5.67
5.68
5.69
5.7
5.7×10D
5.71
5.72
5.73
5.74
5.75
5.76
5.77
5.78
5.79
5.8
5.8×10D
5.81
5.82
5.83
5.84
5.85
5.86
5.87
5.88
5.89
5.9
5.9×10D
5.91
5.92
5.93
5.94
5.95
5.96
5.97
5.98
5.99
6
6×10D
6.01
6.02
6.03
6.04
6.05
6.06
6.07
6.08
6.09
6.1
6.1×10D
6.15
6.2
6.2×10D
6.25
6.3
6.3×10D
6.35
6.35 (¼")
6.375
6.4
6.4×10D
6.5
6.5×10D
6.53
6.55
6.6
6.6×10D
6.63
6.65
6.7
6.7×10D
6.75
6.8
6.8×10D
6.85
6.9
6.9×10D
6.95
6.97
7
7×10D
7.01
7.02
7.03
7.04
7.05
7.06
7.07
7.08
7.09
7.1
7.1×10D
7.14
7.2
7.2×10D
7.25
7.3
7.3×10D
7.37
7.4
7.4×10D
7.5
7.5×10D
7.54
7.6
7.6×10D
7.67
7.7
7.7×10D
7.75
7.8
7.8×10D
7.85
7.9
7.9×10D
7.94
7.95
7.97
8
8×10D
8.01
8.02
8.03
8.04
8.05
8.06
8.07
8.08
8.09
8.1
8.1×10D
8.15
8.2
8.2×10D
8.25
8.3
8.3×10D
8.33
8.4
8.4×10D
8.43
8.5
8.5×10D
8.55
8.6
8.6×10D
8.61
8.7
8.7×10D
8.73
8.8
8.8×10D
8.84
8.85
8.9
8.9×10D
8.96
9
9×10D
9.01
9.02
9.03
9.04
9.05
9.06
9.07
9.08
9.09
9.1
9.1×10D
9.13
9.2
9.2×10D
9.25
9.3
9.3×10D
9.34
9.4
9.4×10D
9.5
9.5×10D
9.52
9.55
9.6
9.6×10D
9.7
9.7×10D
9.75
9.8
9.8×10D
9.85
9.9
9.9×10D
9.92
9.96
10
10×10D
10.01
10.02
10.03
10.04
10.05
10.06
10.07
10.08
10.09
10.1
10.1×10D
10.2
10.2×10D
10.25
10.3
10.3×10D
10.32
10.4
10.4×10D
10.5
10.5×10D
10.6
10.6×10D
10.7
10.7×10D
10.72
10.75
10.8
10.8×10D
10.85
10.9
10.9×10D
10.96
11
11×10D
11.01
11.02
11.03
11.04
11.05
11.06
11.07
11.08
11.09
11.1
11.1×10D
11.11
11.2
11.2×10D
11.25
11.3
11.3×10D
11.4
11.4×10D
11.5
11.5×10D
11.6
11.6×10D
11.7
11.7×10D
11.75
11.8
11.8×10D
11.85
11.9
11.9×10D
11.91
11.96
12
12×10D
12.01
12.02
12.03
12.04
12.05
12.06
12.07
12.08
12.09
12.1
12.2
12.25
12.3
12.4
12.5
12.6
12.7
12.8
12.9
12.96
13
13.1
13.2
13.49
13.5
13.7
13.75
13.8
13.95
14
14.2
14.25
14.3
14.5
14.6
14.7
14.8
14.95
15
15.25
15.5
15.8
15.95
16
16.5
17
17.5
17.9
18
18.5
19
19.5
19.95
20
24
25
32
40
50

Groove Length L(mm)

2
2.5
3
3.5
4
4.5
5
5.5
6
7
7.5
8
9
10
11
11.5
12
13
14
15
16
16.05
16.1
17
18
19
19.55
19.6
20
21
22
22.05
22.1
23
24
24.25
24.3
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
84
85
86
87
88
90
91
92
94
95
96
97
98
100
101
102
104
105
106
107
108
109
110
112
114
115
116
118
120
121
124
125
126
128
129
130
132
134
135
136
138
140
142
144
145
146
147
148
149
150
152
154
155
156
158
160
162
164
165
168
170
172
174
175
176
178
180
184
185
188
190
195
196
200
205
208
210
214
216
225
230
235
250
254
265
276
280
295
310
330

work material

General Steel
Quenched and tempered steel
High Hardness Steel
Stainless Steel
Cast Iron
Aluminum
Titanium
Copper
Resin

Tool Material Type

High-speed steel
Cobalt HSS
Powder high-speed steel
Carbide
High Vanadium HSS
High-grade Powdered High-Speed Steel

Overall Length L(mm)

19
20
21
22
23
24
25
26
27
28
30
32
34
35
36
38
39
40
42
43
44
45
45.5
46
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
98
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
130
131
132
133
135
136
137
139
140
142
143
145
146
147
148
149
150
151
153
155
156
158
160
162
165
167
169
170
172
173
175
177
178
179
180
183
184
185
190
191
194
195
198
200
202
205
210
214
215
216
220
223
225
227
230
235
240
241
245
247
250
255
260
263
265
270
275
280
282
290
295
300
304
315
320
330
350
370
390
400
410
430
455
480

Shank Type

Straight Shank

Coating Y/N

Available
N/A

Coating Type

TiAlN
For General Steels (AlCrN, etc.)
TiCN
TiN
DLC
CrN
Dia Coat
Non-Coated
Other

With/without Oil Hole

Available
N/A

Fabricante

Drill Bits (Shank Type: Straight Shank)

Drill bits are a type of cutting tool to drill holes in work materials. They are used with machine tools such as drill press, lathe, milling machine and machining center. Drill bit materials include alloy carbide, high speed steel powder, high-speed steel, and some of them have coatings such as silicone-based, TiAlN-based, TiCN-based, TiN-based coatings, or surface treatment such as steam oxide treatment for enhanced oil retention on surface. Additionally, there is also a type of machining called thinning, given to the bit tip to reduce the thrust load applied to it when drilling. There are different shapes of thinning such as X-shape (for machining deep holes), R-shape (for machining stainless-steel-based workpieces) and S-shaped (for machining cast-iron- or non-ferrous-based workpieces); each one of them is used accordingly for different features and applications. In recent years, flat drill bits, which can drill holes without bending even on round surfaces, are attracting attention.