- 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. | 1L |
Total length mm | 230 |
Mounting diameter, machine side mm [C3/DCONMS] | 6 |
C3 mm | 6 |
Shank length mm | 70 |
C4 mm | 70 |
Total length mm | 230 |
Clamping length, max. mm | 22 |
C81 mm | 22 |
Neck diameter mm | 6,1 |
A5 mm | 6,1 |
With coolant duct | TRUE |
B3 mm | 230 |
Nominal thread Ø DIN 371 | M2 - M2.6 |
Nominal thread Ø DIN 374/376 | M4 |
C71 mm | 2,8 |
Square K1 mm | 2.1 |
Mounting diameter, min., workpiece side mm (C71) | 2,8 |
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] | 6 |
Total length mm | 230 |
Shank length mm | 70 |