Discover the unmatched precision of Centaur's ER8 Collet, a cornerstone for micro-machining. Designed for CNC machining centers, micro-lathes, and milling machines, this collet is part of the versatile and accurate ER (Elastic Reamed) collet system, ideal for handling miniature cutting tools and micro-components.

Key Features of an ER8 Collet for Micro-Machining

• Meets DIN 6499 / ISO 15488 standards, ensuring top-notch concentricity and interchangeability.
• Crafted from hardened, precision-ground high-grade spring steel for maximum durability and precision.
• Features a double-slitted design with a 1:16 taper for robust gripping force and uniform clamping pressure.
• Clamps round shank micro-tools ranging from 0.008" to 0.25" (0.2mm to 6.35mm) in diameter.
• Available in sealed versions for coolant-through applications, promoting efficient chip evacuation.

Advantages for Precision Micro-Machining

• Facilitates high-speed micro-machining with minimal runout and vibration, achieving superior surface finishes.
• Enables quick tool changeovers and easy setups, boosting productivity and minimizing downtime.
• Appropriate for micro-machining a diverse array of materials, including metals, plastics, and composites.
• Compatible with ER collet chucks and tool holding systems from leading manufacturers, ensuring versatility and reliability.

Choose Centaur's premium ER8 collet for your most demanding micro-machining tasks. Known for its exceptional precision, repeatability, and longevity, it's the perfect investment for operations prioritizing ultra-high accuracy, efficiency, and cost-effectiveness.

Collapse per collet: 0.5 mm. (0.019 in.)
Capacity per set: 0.5 – 5 mm. (0.019 – 0.197 in.)
Precision per DIN 649
Maximum tightening torque 7 ft/lbs

Dimensions

A= 8.5 mm. (0.34 in.)
B =13.5 mm. (0.53 in.)