Assembly Block

For tools with a hollow taper shank, polygonal taper shank and steep taper

  • Ergonomic and safe mounting of collet chucks, head bolts on steep taper tools or coolant tubes
  • Stable and durable design for almost all SK, HSK and PSC tool holders
  • Recesses in the cast block for removing fallen tools
  • Additional impact plate can be mounted for loosening jammed tools (e.g. in MK adapters)
  • Easy fixing on a workbench using 4 screws

The following variants are available:


Cone sizes Version
30 / 40 / 50 DIN 69871
30 / 40 / 50 MAS BT & DIN2080
HSK 32, HSK 125  
PSC 32-80  

Downloads Infomaterial:

Flyer with further details on the KELCH assembly block.