ER-SEAL :  ER COOLIT, sealed collets with cooling jets for up to 100 bar. The Hard Touch coating increases wear resistance, improves corrosion protection, prolongs the surface finish quality and maintains longer run out accuracy.  
 
 
CONCENTRICITY .0004 HARDNESS 46-48 100 BAR (1450 PSI) MAX. SURFACE FINISH N5
  Designation
SS		 d2
min		 d2
max
  ER20 SEAL 11-12  ER20  11.00  12.00
  ER20 SEAL 12-13  ER20  12.00  13.00
  ER25 SEAL 11-12  ER25  11.00  12.00
  ER25 SEAL 12-13  ER25  12.00  13.00
  ER32 SEAL 11-12  ER32  11.00  12.00
  ER32 SEAL 12-13  ER32  12.00  13.00
  ER40 SEAL 11-12  ER40  11.00  12.00
  ER40 SEAL 12-13  ER40  12.00  13.00

The HARD TOUCH coating increases wear resistance, improves corrosion protection, prolongs the surface finish quality and maintains longer runout accuracy.
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