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
  ER16 SEAL 9-10  ER16  9.00  10.00
  ER20 SEAL 9-10  ER20  9.00  10.00
  ER20 SEAL 10-11  ER20  10.00  11.00
  ER25 SEAL 9-10  ER25  9.00  10.00
  ER25 SEAL 10-11  ER25  10.00  11.00
  ER32 SEAL 9-10  ER32  9.00  10.00
  ER32 SEAL 10-11  ER32  10.00  11.00
  ER40 SEAL 9-10  ER40  9.00  10.00
  ER40 SEAL 10-11  ER40  10.00  11.00

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