Product: 4Pcs CAT40 Tool Holder ER20 Collet Chuck Set Length 4"/100mm Chuck Tool Holder Set Mill Holder for CNC Engraving Machine Milling Lathe(CAT40-ER20-100)
Brand: findmall
This set including:
 
  4 pcs CAT40-ER20 collet chucks,  4"  longer gage length.
 
 Precision Dynamic Balanced to G6.3/12000RPM
 
 Real measurement over 15000RPM
 
 0.0001" Runout
Set of 4 high precision ER20 collet chuck
Gage or projection length of ER20 is 4"(100mm)
Accuracy in 0.0001-0.0002"max
Fully ground flange and V-groove-easy on tool changers for less spindle
Fit for Drilling Machine ,Milling Machine CNC Chuck or Holder

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