Why Choose the Pratt Burnerd International GripSure Power Chuck?

Reliable, High-Performance Workholding for Demanding CNC Applications

The GripSure Power Chuck from Pratt Burnerd International is a hydraulically actuated power chuck engineered for high clamping force, precision accuracy, and long-term durability. Designed for CNC turning centres and special-purpose machines, GripSure delivers secure, repeatable performance – even under the most demanding machining conditions.

Optimise Your CNC Performance with GripSure

Whether your goal is to reduce cycle times, enhance machining accuracy, or increase workholding efficiency, the Pratt Burnerd GripSure Power Chuck offers a proven solution. Compatible with standard hollow power chuck systems, GripSure provides all the benefits of traditional chucks – with the added advantage of a larger through-hole and compact hydraulic actuation.

Upgrade to GripSure for:

• High-speed CNC turning applications
• Compact or space-restricted machines
• Sub-spindles, rotary tables, and custom machinery
• Operations requiring fast setup and repeatable accuracy

Key Benefits of the GripSure Power Chuck

High Clamping Force for Secure Workholding

With integrated hydraulic operation, the GripSure chuck delivers powerful clamping pressure to maintain a firm, secure hold on the workpiece during high-speed and heavy-duty machining. This ensures stable, repeatable outcomes and reduces the risk of part slippage or machining errors.

Exceptional Precision and Minimal Runout

GripSure is designed to deliver high-accuracy machining with minimal radial runout, making it ideal for precision turning, tight tolerance work, and repeatable setups across multiple batches.

Built to Last – Heavy-Duty Construction

Manufactured from premium alloy steel, the GripSure chuck is engineered for long service life and reliable performance under continuous operation. Its robust design makes it suitable for harsh production environments, where durability and consistency are non-negotiable.

Versatile & Application-Ready

Whether machining metals, composites, or engineered plastics, GripSure is compatible with a wide variety of workpieces – from small, intricate parts to large, heavy components. Suitable for general precision engineering, subcontracting, automotive, and aerospace applications.

Enhanced Safety & Operational Stability

A strong, secure grip reduces the risk of workpiece movement during operation, improving safety and minimising the likelihood of scrap or downtime.

Large Through Bore Design

GripSure includes a larger-than-standard through-hole, allowing for bar and pipework feeding as well as traditional chucking operations. Supplied with a centre cover for closed-centre machining flexibility.