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| DR-2XD (53-60 mm 2xD) : DR indexable HELIQUAD insert drills. Drilling depth 2xD. |
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| Designation |
D |
L |
L1 |
D
max |
d |
D3 |
L4 |
cc |
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DR056-112-40-16
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56.00 |
112.0 |
146.0 |
57.00 |
40.00 |
60.00 |
68.0 |
R1/4 |
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DR057-114-40-16
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57.00 |
114.0 |
148.0 |
57.50 |
40.00 |
60.00 |
68.0 |
R1/4 |
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Hole diameter can be changed by shifting drill center along lathe X-axis.
Hole tolerance: D+0.15/-0.05 in average conditions. However, it can be higher or lower according to machine and tooling conditions.
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