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Drills
(Straight Shank Twist Drills)
Standard No: GB1436 (ISO, DIN)
Material: H.S.S
Metric System: mm
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Diameter
d
|
Overall Length
L
|
Flute Length
l
|
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2.0
|
49
|
24
|
|
2.05
|
|
2.1
|
|
2.15
|
53
|
27
|
|
2.2
|
|
2.25
|
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2.30
|
|
2.35
|
|
2.4
|
57
|
30
|
|
2.45
|
|
2.5
|
|
2.55
|
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2.6
|
|
2.65
|
|
2.7
|
61
|
33
|
|
2.75
|
|
2.8
|
|
2.85
|
|
2.9
|
|
3.0
|
|
3.1
|
65
|
36
|
|
3.2
|
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3.3
|
|
3.4
|
70
|
39
|
|
3.5
|
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3.6
|
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3.7
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3.8
|
75
|
43
|
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3.9
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4.0
|
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4.1
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4.2
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4.3
|
80
|
47
|
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4.4
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4.5
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4.6
|
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4.7
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4.8
|
86
|
47
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4.9
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5.0
|
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5.1
|
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5.2
|
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5.3
|
5.4
|
93
|
57
|
|
|
5.5
|
|
5.6
|
|
5.7
|
|
5.8
|
|
5.9
|
|
6.0
|
|
6.1
|
101
|
63
|
|
6.2
|
|
6.3
|
|
6.4
|
|
6.5
|
|
6.6
|
|
6.7
|
|
6.8
|
109
|
69
|
|
6.9
|
|
7.0
|
|
7.1
|
|
7.2
|
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7.3
|
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7.4
|
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7.5
|
|
7.6
|
117
|
75
|
|
7.7
|
|
7.8
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|
7.9
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|
8.0
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8.1
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8.2
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8.3
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8.4
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8.5
|
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8.6
|
125
|
81
|
|
8.7
|
|
8.8
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|
8.9
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|
9.0
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|
9.1
|
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9.2
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9.3
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9.4
|
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9.5
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9.6
|
133
|
87
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9.7
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9.8
|
|
9.9
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|
10.0
|
|
10.1
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10.2
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10.3
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10.4
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10.5
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10.6
|
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10.7
|
142
|
94
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10.8
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10.9
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11.0
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11.1
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11.2
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11.3
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11.4
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11.5
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11.6
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11.7
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11.8
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11.9
|
151
|
101
|
|
12.0
|
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12.1
|
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12.2
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12.3
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12.4
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12.5
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12.6
|
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12.7
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|
12.8
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|
12.9
|
|
13.0
|
|
13.5
|
160
|
108
|
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13.6
|
|
13.7
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|
13.8
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|
13.9
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|
14.0
|
|
14.5
|
169
|
114
|
|
15.0
|
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15.5
|
178
|
120
|
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16.0
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16.5
|
184
|
125
|
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17.0
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17.5
|
191
|
130
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|
18.0
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18.5
|
198
|
135
|
|
19.0
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19.5
|
205
|
140
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20.0
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