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COLLETS - RD/ER
RDO  |  RDF/AF   |  RDA/DA  |  RDG/TG

The high precision RD collet system with guaranteed accuracy. For quality you can count on, all Centaur RD system components are manufactured with strict adherence to DIN6499.

RD collets are interchangeable with ER, ESX, DR, BR and VSAC collets.

RD/ER

  A B
(mm.) (in.) (mm.) (in.)
RD 8 8.5 0.335 13.5 0.531
RD 11 11.5 0.453 18 0.709
RD 12 12 0.472 19.5 0.768
RD 16 17 0.669 27 1.063
RD 20 21 0.827 31 1.220
RD 25 26 1.024 35 1.378
RD 32 33 1.299 40 1.575
RD40 41 1.614 46 1.811
RD 50 52 2.047 60 2.362
Series Clamping Range
Metric Inch
RD8 .5-5.0 in .5 increments  
RD11 1.0-7.0 in .5 increments 1/16-1/4 in 1/32 increments
RD12 1.0-7.0  
RD16 1.0-10.0 in .5 or 1.0 increments 1/16-13/32 in 1/32 increments
RD20 2.0-13.0 in .5 or 1.0 increments 1/16-1/2 in 1/32 increments
RD25 2.0-16.0 in .5 or 1.0 increments 1/16-5/8 in 1/32 increments
RD32 2.0-20.0 in .5 or 1.0 increments 3/32-3/4 in 1/32 increments
RD40 4.0-26.0 in 1.0 increments 1/8-1' in 1/32 increments
RD50 12.0-43.0 in 2.0 increments  

Centaur supplies the collets you require, when you require them.  If ordering an Inch size collet, you will get a true inch size collet from Centaur - not the metric equivalent.   For example, some companies supply a 7-6mm collet when asked for a 1/4 collet.  All collets are most accurate at the nominal diameter.  A 7mm collet has a nominal diameter of .2755 and must collapse .025 before actually clamping the tool.   A Centaur 1/4 collet has the actual .250 nominal diameter and will clamp more accurately with higher gripping strength.
RD/Sealed
Series Diameter
RD16 3.0-10.0
RD20 3.0-13.0
RD25 3.0-16.0
RD32 3.0-20.0
RD40 4.0-26.0
Inch sizes are available upon request




 

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