ER32 8 mm Collet Tool Holder

ER32 8 mm Collet Tool Holder

The ER32 8 mm Collet Tool Holder provided by Mermak CNC is a critical interface component designed to secure cutting tools or cylindrical workpieces to the machine spindle with high precision and repeatability. Ideal for CNC milling, turning, drilling, and reaming, this collet ensures the geometric relationship between the tool and the workpiece is maintained at the micron level.

The conical design allows the collet to deform radially inward when the nut is tightened, providing high clamping strength against axial and radial forces. This mechanism minimizes tool slippage and vibration, directly enhancing surface finish, dimensional accuracy, and tool life.

Key Features and Advantages

• Superior Runout Accuracy: With standard 5-micron runout (optional 3, 10, 20-micron versions available), this collet ensures minimal deviation from the rotation axis, optimizing tool life and reducing vibration.
• Wide Application Flexibility: Built to the ER32 standard (DIN 6499 / ISO 15488), it offers universal compatibility for end mills, drills, and reamers across various CNC machining centers.
• Durable Construction: Manufactured from high-quality alloy tool steel and heat-treated to HRC 58-62, it provides exceptional wear resistance and toughness under high-load conditions.

Technical Specifications

• Collet Type: ER32 (DIN 6499 / ISO 15488)
• Nominal Clamping Diameter: 8 mm
• Actual Clamping Range: 7.5 mm – 8.0 mm (0.5 mm flexibility)
• Runout Accuracy: Standard 5 microns (Optional: 3, 10, 20 microns)
• Material: Heat-treated alloy tool steel
• Surface Hardness: HRC 58-62

Mermak CNC Quality Assurance: With 16 years of experience, Mermak operates from our Ankara Uzay Sanayi facility. We maintain up-to-date stock levels and ensure rapid preparation for shipment. We serve international markets including the United Kingdom, United States, Canada, Australia, New Zealand, South Africa, and other English-speaking regions. Our team provides reliable logistics, careful packaging, and full documentation support. Product videos or factory viewing via WhatsApp are available upon request.