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520071-6 | HSK TAPER | END MILL HOLDERS

$250.00
Chicago, USA Stock -
Canada Stock -
HSK63A-SLN1"-6" End Mill Holder
Specification
BoreSize: 1" Inch
Drawing: 520071-6.dxf Drawing: 520071-6.pdf Drawing: 520071-6.stp
Proj. Length: 6" Inch
Taper: HSK63A
  • US Domestic Shipping Only: We ship exclusively within the United States using UPS as our primary carrier.
  • Processing Time: Orders are typically processed within 1–2 business days. Orders placed on weekends or holidays will be processed on the next business day.
  • Delivery Times: Delivery times vary based on the shipping method and destination (estimates are provided at checkout). Please note that carrier delays (e.g., weather or unforeseen issues) are beyond our control.
  • Costs & Methods: UPS Standard, Expedited, and Express methods are available. Shipping rates are calculated based on weight and destination at checkout.
  • Tracking & Support: Tracking information will be emailed once shipped. For tracking issues, errors, or damaged/lost packages, contact us at sales@pactoolsusa.com or 262-282-2456.
Description
HSK63A-SLN1"-6" End Mill Holder

Accuracy

PAC Precision Tools HSK End Mill Holders are designed for high-speed and high-precision machining centers. The hollow shank design ensures superior clamping force and excellent dynamic balance at elevated RPM levels.

Dimensions

END MILL HOLDERS HSK A TAPER Dimensions

Features

  • Hollow shank HSK design for high-speed applications
  • Excellent thermal stability at high RPM
  • Precision-ground taper interface
  • Set screw locking system for strong tool retention
  • Balanced to 25,000 RPM at G2.5
  • Coolant-through flange capability (DIN-B AD+B)
  • Corrosion-proof construction with a special rust-preventive coating
  • H5 bore tolerance for optimum contact with the cutting tool
  • Surface roughness: Ra < 0.005mm
  • Crafted from case-hardened alloy steel
  • AT3 Class taper accuracy
  • Available in HSK50A, HSK63-A, HSK63A, HSK100-A, and HSK100A tapers

Frequently Asked Questions

1. What is an HSK Taper End Mill Holder? â–¼
An HSK Taper End Mill Holder features a hollow shank design that offers both face and taper contact with the spindle. This results in superior precision, rigidity, and balance, especially for high-speed machining.
2. Why choose PACTools HSK holders? â–¼
HSK holders provide excellent accuracy and stability because their design eliminates any play between the holder and spindle. This ensures perfect repeatability and surface finish even during long production runs.
3. What HSK sizes are available? â–¼
PAC Precision Tools offers various HSK sizes like HSK50A, HSK63A, HSK63-A and more to fit different machine spindles and machining requirements.
4. Are HSK holders good for high-speed machining? â–¼
Yes, they are specifically engineered for high-speed and precision machining, offering secure tool clamping and reduced thermal expansion.
5. How do HSK holders ensure accuracy? â–¼
The HSK holder’s dual-contact design increases rigidity and accuracy while minimizing tool deflection. This helps maintain consistent results in demanding CNC operations.
6. How do I maintain HSK holders? â–¼
Clean the taper and face after every use, keep them dry, and inspect for dirt or scratches that could affect fit or performance.
7. Are HSK holders coolant-through compatible? â–¼
Yes, most PAC HSK holders are compatible with coolant-through systems for better cooling and extended tool life.

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