Quick-change drill chuck with inserts - tool holder - quick-change socket MK 4

SF 46 MK4

Quick-change drill chuck with inserts for holding drilling, reaming, countersinking, and threading tools.
Tool holder - quick-change holder - quick-change chuck
Type SF 46 MK4
presumably a West German product similar to BILZ / MAYSSO
Tool holder: MK4
- only suitable for vertical use (sleeve is locked by its own weight)
- suitable for clockwise and counterclockwise rotation
Insert sleeve diameter: 46 mm
3 pieces of insert sleeve MK2, length = 105 mm
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3 pieces of insert sleeve MK3, length = 109 and 122 mm
3 pieces of insert sleeve MK4, length = 135 mm
- Quick-change system for drilling and radial drilling machines as well as CNC drilling machines
- various operations can be performed with very quick tool changes in a single workpiece setup
- with dual ball clamping system for secure torque transmission and play-free seating of the inserts in the chuck
- Not suitable for radial loads, e.g., milling, and tensile loads, e.g., back-countersinking.
Weight: 14 kg
good condition

The inserts can be quickly changed without any auxiliary tools and are automatically locked when inserted into the chuck.
The inserts are unlocked by axially shifting the switching sleeve.
The tool change can be performed with the spindle both stationary and rotating.
Short insertion and retraction distances of the inserts allow for tool changes in seconds.
The quick-change system can be used vertically for both clockwise and counterclockwise rotation.

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