Description
- Our Part # TEC-04897
- Extension length should not exceed a 4 : 1 ratio of length to diameter. For example, a 1/2" shank should not extend more than 2" in front of the holder. This is only true for applications where the extension is rotating.
- 0.0001" runout from shank to pocket
- Precision ground for best T.I.R. ER Mini Nut included with each
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Techniks ER20 x 1" Collet Holder Extension x 140mm Length
