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About this product

1. T.I.R. ≤ 0.0001" at collet face

2. Rear thread for pull stud is 1" - 8

3. Balanced to G6.3 at 15000 rpm

4. Works on all CAT50 ER16 machines

5. Projection: 4"

6. Finish: Black Oxide

1. T.I.R. ≤ 0.0001" at collet face

2. Rear thread for pull stud is 1" - 8UNC

3. All critical tool holder surfaces precision ground and black oxide.

4. Through-spindle coolant capability.

5. Collet nut is included.

6. Works on all CAT50 machines.

7. Tool holder is Balanced to G6.3 at 15,000 rpm.

8. Constructed of alloy steel hardened to 56 – 60 HRC for long, durable service life.

9. AT3 or better accuracy standard taper specification for maximum contact with spindle.


ConditionBrand NewBalance SpecG6.3 @ 15,000 rpms
Model NumberCAT50-ER16-4Collet Range1/64" - 3/8"
Taper SizeCAT50TIR≤0.0001"
Collet SizeER16L14" (100mm)
Material20CrMnTiL8"
Coolant ThruYesd1 - 7/64" 
SKURGT-CAT50160100Net Weight6.2 lbs
FinishBlack OxideGross Weight6.4 lbs


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CAT50 ER Collet Chuck Tool Holder ER16 4" @G6.3 15000RPM TIR ≤0.0001"

  • Model #: K3FJLV89
  • Availability: In Stock
  • $65.00


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