18mm ER 25 Collet Precision Clamping Range 0.5mm, L40mm, D33mm - TECWERK

Combine 5 µm runout accuracy with full‑length tool gripping and DIN conformity for reliable clamping in production; order the TECWERK ER collet via Metav Werkzeuge or contact our consultants for specification advice.

Collet type ER 32/470 E — ER collet, 18 mm clamping diameter, TECWERK

A Collet type ER 32/470 E engineered for ER‑type collet chucks, providing full‑length gripping and DIN 6499‑B compatibility for precise milling and drilling applications.

• Full-length gripping for secure toolholding
• DIN 6499-B standardised dimensions
• 5 µm runout and repeatability
• Clamping compensation: nominal Ø −1.0 mm

Reliable precision for demanding machining

The ER collet delivers a measured runout of 5 µm, which directly improves toolpath accuracy and reduces scrap rates in batch production. This level of concentricity means spindle loads are more balanced, leading to steadier cuts and a superior surface finish. For operations where repeatability matters, the documented 5 µm tolerance supports predictable results across multiple setup changes, helping maintain throughput and minimise rework.

Secure grip across the full clamping length

The design secures tools along the full clamping length, so cutters and drills are held more consistently than with partial‑contact systems. Clamping is possible on the lead‑in chamfer, enabling safe engagement for short‑shank tools and reducing axial play. The collet provides clamping compensation (nominal Ø −1.0 mm), meaning the effective clamping range bridges small diameter differences without intermediate adapters, which simplifies setup and shortens preparation time.

Straightforward fitment and standards compliance

Manufactured to DIN 6499‑B, the collet integrates smoothly with ER‑type collet chucks and requires no intermediate sizes for most toolholders, streamlining stock management. The compact dimensions (L: 40 mm, d: 18 mm, D: 33 mm) make it suitable for confined spindle spaces while maintaining the precision that modern machining demands. Clear standardisation reduces guesswork during procurement and enables rapid replacement during scheduled maintenance.

Contact Metav Werkzeuge today for a tailored recommendation on the TECWERK ER collet and to check suitability for specific spindle systems — call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• Article number: 2000832956NW
• Label: Collet type ER 32/470 E, clamping dia. 18 mm, TECWERK
• Product type: ER collet
• Packaging unit: 1
• Manufacturer: TECWERK

Facts

• L: 40 mm
• d: 18 mm
• D: 33 mm
• Runout / repeatability: 5 µm
• Clamping compensation: nominal Ø −1.0 mm

Special features

• According to DIN 6499‑B
• Suitable for ER‑type collet chucks
• No intermediate sizes required
• Tools held along full clamping length
• Clamping possible on the lead‑in chamfer

FAQ

What spindle systems is this collet compatible with? The Collet type ER 32/470 E is compatible with standard ER‑type collet chucks and follows DIN 6499‑B dimensions to ensure proper fit and function.

What level of runout can be expected? The TECWERK ER collet achieves a runout and repeatability of 5 µm, providing high concentricity for precision machining tasks.

Can the collet clamp tools on the chamfer? Yes, the collet can be clamped on the lead‑in chamfer, allowing secure holding of tools with reduced effective shank length.

What are the key dimensions of the collet? The collet has a clamping diameter of 18 mm, length 40 mm, and outer diameter 33 mm as specified for the Collet type ER 32/470 E.

Manufacturer / Responsible: NORDWEST Handel AG, Robert‑Schuman‑Straße 17, 44263 Dortmund