SET ER-SPR-AA :  Sets of DIN 6499 ER 'AA' ultra precise spring collets with Hard Touch coating which increases wear resistance, improves corrosion protection, prolongs the surface finish quality and maintains longer run-out accuracy.  
 
 
Tooling kits & sets   HARDNESS 46-48  SURFACE FINISH N5 
  Designation
SS
Qty		 d
Range
  SET ER11 SPR 7 AA  ER11  7  0.5-7
  SET ER16 SPR 10 AA  ER16  10  0.5-10
  SET ER20 SPR 12 AA  ER20  12  1-13
  SET ER25 SPR 15 AA  ER25  15  1-16
  SET ER32 SPR 18 AA  ER32  18  2-20
  SET ER40 SPR 23 AA  ER40  23  3-26

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