The Omega Products HSK63A Hydraulic Expansion Chuck (Form AD/B) is a precision toolholding solution designed for high-speed metalworking. It uses a G2.5 spindle interface and can run up to 25,000 RPM, delivering a secure, concentric grip that helps maintain accuracy and surface finish at speed.

Designed for 12 mm tooling with an 80 mm gauge length, this chuck employs hydraulic expansion to deliver maximum clamping force and outstanding concentricity. An internal coolant supply supports efficient chip removal and tool cooling, while premium construction ensures reliable performance in demanding machining environments. It’s easy to use with the included premium hex key and is compatible with a wide range of cutting tools.

• Maximum gripping force and concentricity at high speeds: The hydraulic expansion delivers a solid, balanced grip on tool shanks, helping minimize runout and maintain precision up to 25,000 RPM.
• Integrated coolant supply for cooling and chip management: The built-in coolant system helps keep tools cooler, improves chip evacuation, and extends tool life in continuous high-speed operation.
• Easy setup with premium hex key and broad tool compatibility: Quick, confident installation and tool changes with a standard interface, compatible with a wide range of cutting tools.

With the HSK63A Hydraulic Expansion Chuck, you gain dependable performance that supports higher productivity, cleaner cuts, and consistent results across demanding jobs. The combination of hydraulic holding power, integrated cooling, and thoughtful ergonomics reduces downtime and helps your CNC work run smoother—from setup to finished part.