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Most of the toolholders currently on the market use either a hexagonal ER nut or a grooved ERM nut. These nuts are not interchangeable.
PCM Precision Tooling SA has succeeded in combining these two nuts, allowing you to simplify your tooling.
The ER-EM nut enables the lug wrench to be used on a tool originally designed for a hexagonal ER nut.
Conversely, the ERM-GS nut enables you to use an open-end wrench on a tool designed for an ERM grooved nut.
Opt for simplicity, efficiency and speed when changing your tools with just one wrench.
Discover our brand-new « Accessories » catalog available now.
In less than 24 hours, we can supply you with flexible tubing for your coolant distribution system in any length you require !
Available in 2 diameters : Ø6 and Ø8mm
Please consult our catalog "Accessories - Distibution system with quick connections" to create your tubes to suit your needs. A wide range of quick couplings and other interesting items are available on short delivery times !
Our professional team guarantees that your PCM tool holder or other manufacturer's toolholder will be repaired in the shortest time to extend its performance and life !
Do not hesitate to contact us at
The satisfaction of our customers is our first priority.
Documents to download :
Repair / Return form
Have you ever wondered how our tool holders are made ?
This fully transparent model was developed and created to show the inside of the toolholder.
Admire all the complexity that proves the authenticity, quality, precision, and efficiency of our tool holders !
The tool base stays on the machine and you change from a whirling tool to a radial tool in minutes. This quick-change system guarantees a faster turnaround time with the same quality and stability you've come to expect from standard high-precision tools.
PCR bases and heads can be ordered individually.
| Flyers - Modular system | PDF (1.90 Mo) |
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To facilitate your request, you can now contact the desired department directly as listed below.
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Phone +41 21 967 33 66
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