Manual tightening turning chuck ATSC

steelhigh-precisionwith jaws

Overview
ATSC Forged Steel Body Scroll Chuck is a precision-engineered lathe chuck designed for high repeatability and consistent concentricity on duplicate parts. The chuck incorporates a built-in .020" clearance between the body cavity and the mounting plate hub to permit opposing screws the travel needed for accurate micro-adjustments. Initial setup takes under one minute and achieves repeatability within .0005" TIR on matched parts.

Why choose this ATSC Scroll Chuck?
Engineered for production and precision environments, this scroll chuck provides micro-fine adjustment capability and stable internal geometry to maintain tight tolerances across batches.

Features & Benefits

• 4 micro-fine adjustment screws delivering .0005" TIR repeatability
• Forged steel body construction suited to higher lathe spindle speeds
• Hardened and ground scroll, precision balanced for extended life and accuracy
• Hardened jaws and pinions for increased durability
• American standard tongue & groove master jaws for flexible top-tooling options

Applications

• Precision machining of duplicate components
• High-volume production runs
• Operations requiring elevated spindle RPM

Product documentation
Detailed specifications and catalog information are available in the product brochure.

Specifications

• Repeatability: .0005" TIR on duplicate parts
• Built-in clearance: .020" between chuck body cavity and mounting plate hub
• Adjustment time: under one minute to reach required precision
• Adjustment mechanism: 4 micro-fine adjustment screws
• Body material: forged steel for higher lathe speeds
• Scroll: hardened and ground, precision balanced
• Jaws & pinions: hardened for increased service life
• Top tooling interface: American standard tongue & groove master jaws