Rego-Fix ER 25-GB Ø 9.0x7.0/7.1 DIN/ISO Collet 1425.09000 (0645521)

Sale price$108.00
Not in stock - Available to order


OEM SKU: 1425.09000

Rego-Fix is a leading tool holder brand based in Switzerland since 1950.

This product is priced singly and comes in packs of 1.

Please note that the actual item may not be/look exactly the same as shown in the item picture(s).

Name Rego-Fix ER 25-GB Ø 9.0x7.0/7.1 DIN/ISO Collet 1425.09000
EDP # 0645521
Weight (1 pc.) 2.0 oz 45.4 g
Total Indicated Runout (TIR) 0.0004" 0.010 mm
Clamping Range 0.3546" 9.000 mm
Coolant-thru Capable No

Product Features:

- Rigid Tap Collet

- Superior collet slot design

- Superior surface finish

- Improved clamping length on small diameters

- Manufactured in Switzerland

Technical Reference Files:

PDF Drawing

DXF Profile


Background Information:

The ER tool holder system was invented by Fritz Weber, founder of Rego-Fix, and released in 1972. The ER-type system was originally used as a broom head to handle interface! The R in "ER" stands for Rego-Fix, and represents the company's modification to common "E" collet design of the early 20th century. Specifically, the modification was adding a groove to the collet which keeps it captive in the nut while installing/removing; eliminating the problem of collets getting stuck in the holders. Upon patent expiry the system was standardized in 1993 under DIN 6499 and is today the most recognizable and commonly used collet system worldwide.

The classic ER interface with square end-bores for rigid-tapping.

Company History:

The beginning of what has become Rego-Fix was Fritz Weber founding "Fritz Weber Feinmechanik und Werkzeugbau" in Reigoldswil, Switzerland in 1950. His first serially manufactured product was a broomholder; a humble origin that has shaped the company's history for many years. By 1955 the company employed 15 people and began to venture into toolmaking, and by 1970 also had become a successful brand in cheese cutting, as well as yoghurt and gas bottling machines. In 1972 Rego-Fix invented the ER machine collet system, the innovation which would make the company world-renown. Interestingly, the mechanism for the ER collet system had been used in broom handles from the beginning, but the application to machine tools was much more important. Tool holding technology was continuously developed by the company since that moment, and has produced an additional revolutionary system, PowRgrip. Today Rego-Fix is recognized at the top level of premium brands in the machining industry.

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