
Certificate of Quality
- Shank tolerance h6
- Inner coolant bore
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Duo-Lock™ Extensions Cylindrical - Short - Steel
Certificate of Quality
- Shank tolerance h6
- Inner coolant bore
Duo-Lock™ Extensions Cylindrical - Short - Steel
- Shank tolerance: h6
- With inner coolant bore
- Optional with Safe-Lock™
Also available:
Extensions with coating - for perfect shrinking in and out even at high forces during machining
Attention:
For long-life cycle of the system compliance with the torque is required!
Technical data subject to change without prior notice.
Technical drawing

Technical data
Order No. | |
---|---|
75.3/8z0.DL10 | |
75.3/8z0.DL10.1 | |
75.1/2z0.DL12 | |
75.1/2z0.DL12.1 | |
75.5/8z0.DL16 | |
75.5/8z0.DL16.1 | |
75.5/8z1.DL16 | |
75.5/8z1.DL16.1 | |
75.3/4z0.DL20 | |
75.3/4z0.DL20.1 | |
75.3/4z1.DL20 | |
75.3/4z1.DL20.1 | |
75.1z0.DL25 | |
75.1z0.DL25.1 | |
75.1z1.DL25 | |
75.1z1.DL25.1 | |
75.11/4z0.DL32 | |
75.11/4z0.DL32.1 | |
75.11/4z1.DL32 | |
75.11/4z1.DL32.1 |
Interface | Clamping Ø D1 [inch] | Length L1 [inch] | Neck Ø D2 [inch] | Neck length L2 [inch] | Internal bore Ø D3 [inch] | Shank | Coating | Torque DL-Interface [Nm] | Downloads |
---|---|---|---|---|---|---|---|---|---|
DL10 | 3/8 | 2.25 | 0.3593 | 0.1875 | 0.0984 | S-λ | No | 20 | DXF | Step |
DL10 | 3/8 | 2.25 | 0.3593 | 0.1875 | 0.0984 | S-λ | Yes | 20 | DXF | Step |
DL12 | 1/2 | 2.5 | 0.4803 | 0.25 | 0.0984 | S-λ | No | 30 | DXF | Step |
DL12 | 1/2 | 2.5 | 0.4803 | 0.25 | 0.0984 | S-λ | Yes | 30 | DXF | Step |
DL16 | 5/8 | 2.5 | 0.6053 | 0.3125 | 0.1181 | HA | No | 60 | DXF | Step |
DL16 | 5/8 | 2.5 | 0.6053 | 0.3125 | 0.1181 | HA | Yes | 60 | DXF | Step |
DL16 | 5/8 | 2.75 | 0.6053 | 0.3125 | 0.1181 | S-λ | No | 60 | DXF | Step |
DL16 | 5/8 | 2.75 | 0.6053 | 0.3125 | 0.1181 | S-λ | Yes | 60 | DXF | Step |
DL20 | 3/4 | 3 | 0.7303 | 0.375 | 0.1181 | HA | No | 80 | DXF | Step |
DL20 | 3/4 | 3 | 0.7303 | 0.375 | 0.1181 | HA | Yes | 80 | DXF | Step |
DL20 | 3/4 | 3 | 0.7303 | 0.375 | 0.1181 | S-λ | No | 80 | DXF | Step |
DL20 | 3/4 | 3 | 0.7303 | 0.375 | 0.1181 | S-λ | Yes | 80 | DXF | Step |
DL25 | 1 | 3 | 0.9606 | 0.5 | 0.1969 | HA | No | 100 | DXF | Step |
DL25 | 1 | 3 | 0.9606 | 0.5 | 0.1969 | HA | Yes | 100 | DXF | Step |
DL25 | 1 | 3.5 | 0.9606 | 0.5 | 0.1969 | S-λ | No | 100 | DXF | Step |
DL25 | 1 | 3.5 | 0.9606 | 0.5 | 0.1969 | S-λ | Yes | 100 | DXF | Step |
DL32 | 1 1/4 | 3.5 | 1.2106 | 0.625 | 0.1969 | HA | No | 130 | DXF | Step |
DL32 | 1 1/4 | 3.5 | 1.2106 | 0.625 | 0.1969 | HA | Yes | 130 | DXF | Step |
DL32 | 1 1/4 | 4 | 1.2106 | 0.625 | 0.1969 | S-λ | No | 130 | DXF | Step |
DL32 | 1 1/4 | 4 | 1.2106 | 0.625 | 0.1969 | S-λ | Yes | 130 | DXF | Step |
Order No. | |
---|---|
75.100.DL10 | |
75.100.DL10.1 | |
75.120.DL12 | |
75.120.DL12.1 | |
75.121.DL12 | |
75.121.DL12.1 | |
75.160.DL16 | |
75.160.DL16.1 | |
75.161.DL16 | |
75.161.DL16.1 | |
75.200.DL20 | |
75.200.DL20.1 | |
75.201.DL20 | |
75.201.DL20.1 | |
75.250.DL25 | |
75.250.DL25.1 | |
75.251.DL25 | |
75.251.DL25.1 | |
75.320.DL32 | |
75.320.DL32.1 | |
75.321.DL32 | |
75.321.DL32.1 |
Interface | Clamping Ø D1 [mm] | Length L1 [mm] | Neck Ø D2 [mm] | Neck length L2 [mm] | Internal bore Ø D3 [mm] | Shank | Coating | Torque DL-Interface [Nm] | Downloads |
---|---|---|---|---|---|---|---|---|---|
DL10 | 10 | 55 | 9.6 | 5 | 2.5 | S-λ | No | 20 | DXF | Step |
DL10 | 10 | 55 | 9.6 | 5 | 2.5 | S-λ | Yes | 20 | DXF | Step |
DL12 | 12 | 60 | 11.5 | 6 | 2.5 | HA | No | 30 | DXF | Step |
DL12 | 12 | 60 | 11.5 | 6 | 2.5 | HA | Yes | 30 | DXF | Step |
DL12 | 12 | 65 | 11.5 | 6 | 2.5 | S-λ | No | 30 | DXF | Step |
DL12 | 12 | 65 | 11.5 | 6 | 2.5 | S-λ | Yes | 30 | DXF | Step |
DL16 | 16 | 65 | 15.5 | 8 | 3 | HA | No | 60 | DXF | Step |
DL16 | 16 | 65 | 15.5 | 8 | 3 | HA | Yes | 60 | DXF | Step |
DL16 | 16 | 70 | 15.5 | 8 | 3 | S-λ | No | 60 | DXF | Step |
DL16 | 16 | 70 | 15.5 | 8 | 3 | S-λ | Yes | 60 | DXF | Step |
DL20 | 20 | 70 | 19.3 | 10 | 3 | HA | No | 80 | DXF | Step |
DL20 | 20 | 70 | 19.3 | 10 | 3 | HA | Yes | 80 | DXF | Step |
DL20 | 20 | 80 | 19.3 | 10 | 3 | S-λ | No | 80 | DXF | Step |
DL20 | 20 | 80 | 19.3 | 10 | 3 | S-λ | Yes | 80 | DXF | Step |
DL25 | 25 | 80 | 24 | 12.5 | 5 | HA | No | 100 | DXF | Step |
DL25 | 25 | 80 | 24 | 12.5 | 5 | HA | Yes | 100 | DXF | Step |
DL25 | 25 | 90 | 24 | 12.5 | 5 | S-λ | No | 100 | DXF | Step |
DL25 | 25 | 90 | 24 | 12.5 | 5 | S-λ | Yes | 100 | DXF | Step |
DL32 | 32 | 90 | 31 | 16 | 5 | HA | No | 130 | DXF | Step |
DL32 | 32 | 90 | 31 | 16 | 5 | HA | Yes | 130 | DXF | Step |
DL32 | 32 | 105 | 31 | 16 | 5 | S-λ | No | 130 | DXF | Step |
DL32 | 32 | 105 | 31 | 16 | 5 | S-λ | Yes | 130 | DXF | Step |