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PRODUCT INFORMATION
Design:
- long or extra long version front end of the extension is designed as a collet
- by tightening the knurled clamping nut the collet and the tap are united
- torque transmission is achieved via a square
- the rear end of the extension follows DIN, allowing the extension to be mounted like a tap
Use:
In quick-change tap inserts or tap ER collets with square. For thread-cutting at inaccessible places such as subjacent recesses, ledges, hindering edges, extremely deep female threads or close to cast walls
Note:
138605: suited for shrink fit chucks and hydraulic extension chucks
- long or extra long version front end of the extension is designed as a collet
- by tightening the knurled clamping nut the collet and the tap are united
- torque transmission is achieved via a square
- the rear end of the extension follows DIN, allowing the extension to be mounted like a tap
Use:
In quick-change tap inserts or tap ER collets with square. For thread-cutting at inaccessible places such as subjacent recesses, ledges, hindering edges, extremely deep female threads or close to cast walls
Note:
138605: suited for shrink fit chucks and hydraulic extension chucks
TABULAR PRODUCT DATA
| Item no. | 4L |
| Total length mm | 230 |
| Mounting diameter, machine side mm [C3/DCONMS] | 7 |
| C3 mm | 7 |
| Shank length mm | 70 |
| C4 mm | 70 |
| Total length mm | 230 |
| Clamping length, max. mm | 26 |
| C81 mm | 26 |
| Neck diameter mm | 12,1 |
| A5 mm | 12,1 |
| With coolant duct | TRUE |
| B3 mm | 230 |
| C71 mm | 6 |
| Square K1 mm | 4.9 |
| Mounting diameter, min., workpiece side mm (C71) | 6 |
| Shank length mm | 70 |
| With coolant duct | TRUE |
| Total length mm | 230 |
| Total length mm | 230 |
| Shank length mm | 70 |
| Mounting diameter, machine side mm [C3/DCONMS] | 7 |
| Total length mm | 230 |
| Shank length mm | 70 |
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