Predictable Performance

Hardinge is the world’s largest manufacturer of spindle tooling. With over a century of experience, we are your trusted partner for all workholding applications. Hardinge collets are renowned for their accuracy and durability with the best total indicator reading (TIR) in the industry. Choose from a large inventory of 5C, 16C, 20C, 25C and 3J collets, emergency collets and step chucks, as well as B42 and B65 stationary collets. Let Hardinge solve your workholding problems such as hard-to-grip shapes and surfaces, part length control, thin-wall turning, etc.

View brochure for styles, sizes and specifications

• Hardened and Ground Collets
• Special Accuracy Collets
• Emergency Collets
• Extended-Nose Collets
• Step Collets
• Long Bearing Drill Collets
• Lensmaker Collets
• Step Chucks and Closers
• Force-Limiting Step Chucks
• Collet Stops
• Dead-Length Collets
• Dead-Length Emergency Step Chucks
• Dead-Length Collet Ejector Stops
• Dead-Length Spider Stop Step Chucks
• Style "S" Master Collets and Pads
• Expanding Collets
• B42 and B65 Stationary Collets
• Manual Chucks
• Fixture Plates

Hardinge Force-Limiting Step Chuck

Unique die spring closing mechanism provides maximum holding power without crushing the workpiece. Designed for thin wall or delicate material turning.

Micro-Machining and Laboratory Workholding

Hardinge supplies D-style, WW and 3C collets and step chucks for instrument lathes, turret lathes and micro-drilling machines for the medical, dental, electronic, watchmaking, model engineering and related industries.