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GTIN ER-ISO (tapping) : ER collet tapping attachments, tension and compression ISO type used for CNC milling and turret lathe machines. A compact design with a misalignment compensating mechanism.
HARDNESS 58-60  SURFACE FINISH N5 
  DesignationSSd2STap minTap maxTKgGICATGIREMgiic
  GTIN ER32 ISO 2.24X1.80 ER322.241.80M3M320.00.224548071 0
  GTIN ER32 ISO 2.50X2.00 ER322.502.00M3.5M3.520.00.264548072 0
  GTIN ER32 ISO 2.80X2.24 ER322.802.24M2.2M2.520.00.224548073 0
  GTIN ER32 ISO 3.15X2.50 ER323.152.50M3M420.00.234548074 0
  GTIN ER32 ISO 3.55X2.80 ER323.552.80M3.5M4.520.00.224548075 0
  GTIN ER32 ISO 4.00X3.15 ER324.003.15M4M520.00.224548076 0
  GTIN ER32 ISO 4.50X3.55 ER324.503.55M6M620.00.224548077 0
  GTIN ER32 ISO 5.00X4.00 ER325.004.00M5M520.00.224548078 0
  GTIN ER32 ISO 5.60X4.50 ER325.604.50UNC#12-24UNC (ONLY)20.00.224548079 0
  GTIN ER32 ISO 6.30X5.00 ER326.305.00M6M820.00.224548080 0
  GTIN ER32 ISO 7.10X5.60 ER327.105.60UNC#3/8-16UNC (ONLY)20.00.204548081 0
  GTIN ER32 ISO 8.00X6.30 ER328.006.30M8M1020.00.214548082 0
  GTIN ER32 ISO 9.00X7.10 ER329.007.10M12M1220.00.214548083 0
  GTIN ER32 ISO 10.00X8.00 ER3210.008.00M10M1020.00.204548084 0
  GTIN ER32 ISO 11.20X9.00 ER3211.209.00M14M1420.00.214548085 0
  GTIN ER32 ISO 12.50X10.00 ER3212.5010.00M16M1620.00.204548086 0

No coolant should be induced through the tapping collet as it will cause malfunction of the mechanism
Compensates for machine feed and tap pitch variance
Floating mechanism compensates for misalignment between tap and workpiece
Hard start for rigid tapping
When a rigid ER collet is assembled in an ER holder, the actual protruding length of the holder becomes shorter by 2.0 mm for ER20 and by 3.0 mm for ER25/ER32