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Precision industrial tool holder for CNC machining, premium metal construction, compatible with high-speed machining centers. Ideal for accurate tooling in manufacturing processes.

CAT40 ER20 COLLET CHUCK X 3" - T0505 - Shop-Force

$96.51

T0505

CAT40 ER collet chucks are designed for high-precision CNC machining where rigidity, accuracy, and repeatability are critical. Common in vertical machining centers, they provide excellent stability for milling and drilling operations while keeping runout tight for consistent results.

Specifications & Tolerances

  • ER Size: ER20
  • Projection: 3"
  • Taper-to-taper runout < 0.0001"
  • AD Coolant Through the Spindle
  • Balanced G2.5 @ 30,000 RPM
  • Hardened to 58-62 HRC
  • Taper Shank Ground to AT3 Accuracy or Better
  • Stop Screw Included
  • Draw Bar Threads 5/8-11
  • Made of High Quality Chrome Alloy Steel

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