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What is VDI Tooling?

The main principle behind the VDI system is a quick-change, cam-operated clamping system for each tool holder within the tool disc. Tool changes can therefore be performed within seconds, rather than within minutes as with the traditional block system. The tool holders can also be preset away from the lathe on a pre-setter.

The VDI tool holder retention system provides an accurate and rapid method of affixing tools to the turret plates.  The round serrated tool holder shank fit into tool pockets which are located on the face or edge of the tool plate clamping mechanism using a single Allen wrench to achieve precise, rigid and secure locking of the tool holder.

The hardened and ground serrated wedge, as illustrated in the diagrams below, accurately locks the tool holder into position and securely pulls it back to the surface of the turret.  Typical changeover time for a pre-set VDI tool holder is less than fifteen seconds!

In today's demanding and flexible manufacturing environments, fast changeover and set-up times are essential in order to stay profitable.  VDI tooling contributes to this necessity and adds many hours of productive turning capacity to a CNC lathe.

Looking for an even shorter changeover time? 

Check out our all new Quick-Change VARIA  CNC lathe
"Quick Change" tool holding system.


 For more information please contact us at:


(201) 934-6333 - P
(201) 934-6488 - F



What is VDI Tooling?
Static Tool Holders
Live Tool Holders
VARIA Quick Change
What's New

For Major
Machine Tool Components.
Please visit


Please click the link
below for our Interactive
Tool Holder catalog.




ITI Tooling Company Inc
37 Orchard Street
Ramsey, N.J. 07446
(201) 934-6333 - P
(201) 934-6488 - F

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