Tap extension with internal coolant supply 1 HOLEX
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- Long and extra long version.
- The front end of the extension acts as a collet. The collet is clamped to the tap by tightening the knurled clamping nut.
- The torque is transmitted via the drive square.
- The rear of the extension is to DIN, so that the extension can be mounted in quick-change tapping collets or ER tapping collets with a square drive.
With internal coolant supply
For tapping in inaccessible places such as recesses, offsets, sharp edges on jigs, extremely deep internal threads or directly into casting walls.