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
  ER25 SEAL 15-16  ER25  15.00  16.00
  ER32 SEAL 15-16  ER32  15.00  16.00
  ER32 SEAL 16-17  ER32  16.00  17.00
  ER40 SEAL 15-16  ER40  15.00  16.00
  ER40 SEAL 16-17  ER40  16.00  17.00

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