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HSK63A ER20 5.0 Tapered Nose Mini Nut Collet Chuck Tool Holder $242.95
HSK63A ER20 5.0 Tapered Nose Mini Nut Collet Chuck Tool Holder
Click to enlarge


HSK63A ER20 5.0 Tapered Nose Mini Nut Collet Chuck Tool Holder
Click to enlarge
HSK63A ER20 5.0 Tapered Nose Mini Nut Collet Chuck Tool Holder
Click to enlarge
HSK63A ER20 5.0 Tapered Nose Mini Nut Collet Chuck Tool Holder
Click to enlarge
Item No. HSK63A-ER20-5.0MT
Price: $242.95
Shipping: In Stock - Ships Same Day *
Quantity: 

* Same Day Shipping is only available on orders placed Monday - Friday before 4 P.M. Central Time.

Available Downloads for HSK63A-ER20-5.0MT
PDF file  DWG file  DXF file 
Product Info

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  • Works on all HSK63A machines
  • All critical tool holder surfaces precision ground
  • Made from alloy steel
  • Balanced to G2.5 at 25,000 rpms
  • Gage length is 5.0 inches
  • Concentricity .00015 inches or less
  • Collet nut is included
  • Mini Collet Nut is slimmer than standard collet nut
  • ER20 Mini Nut has an id thread of 24mm X 1.0 pitch. Outside diameter is 1.102 inches (28mm)
  • Must use ER20M collet wrench
  • Tool holder is coolant thru compatible
  • Coolant tube not included but available here
  • Coolant tube wrench not included but available here
  • Threaded for stop screw type 1 (not included)
  • MariTool Part# is HSK63A-ER20-5.0MT

Product Specifications
Balance Spec:  G2.5 @ 25,000 rpms
Collet Grip Range:  .024-.5625 inches
Collet Nut:  ER20M
Collet Size:  ER 20
Concentricity:  < .00015
Coolant Thru:  Yes
Finish:  Black Oxide
Gage Length:  5.0 Tapered
Material:  Hardened Alloy Steel
Taper:  HSK63A
Weight:  2.6