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  • CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
  • CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
  • CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
  • CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
  • CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
  • CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck
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CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck

$3.10-$4.60/ Piece|10 Piece/Pieces (1 lot) (Min. Order)

Customization:

Customized packaging（Min.Order: 500 pieces）
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CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Holding: ER series collets securely grip workpieces/tools in CNC chucks/spindles for accurate positioning, ensuring minimal runout critical for high-precision machining.
  • Multi-Size Compatibility: Designed for ER20, ER30, ER32, and ER40 tooling systems, enabling versatile use across different machining requirements.

Key features

  • 1. Material Technology

    • With hardened and tempered steel construction, ensure durability and maintain precision under high-stress machining operations. ~20% longer lifespan than standard steel collets*

  • 2. Interactive Design

    • With a conical shape and radial grooves, achieve secure workpiece/tool grip and effortless chuck insertion for stable machining. ~30% faster setup compared to traditional chucks*

  • 3. Performance Parameters

    • With minimal runout (≤0.0005") ensure high-precision machining for tight tolerance applications. 50% lower runout than generic collets*

  • 4. Scenario Solutions

    • Designed for precision in aerospace and medical manufacturing, ensuring accuracy in critical applications. Compatible with milling and lathe machines for versatile use. Ideal for industries requiring zero-defect tolerances*

  • 5. Certification Standards

    • Compliant with ISO ER standards for collet accuracy, ensuring compatibility with global machining systems. Meets precision benchmarks for industrial-grade applications*

Product details

CNC ER 32 Collet Er sealed ER30 ISO ER40 Lathe Collet ER20 Chuck Spring Collet Chuck

The CNC ER Series Collets are precision-engineered components designed for high-accuracy clamping in milling machines and CNC applications. Crafted from hardened steel, these collets ensure secure tool/workpiece gripping, minimal runout, and long-term durability. Available in ER20, ER30, ER32, and ER40 sizes, they are ideal for industries requiring precision, such as aerospace, medical device manufacturing, and electronics.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-carbon steel, hardenedExceptional durability and temperature stability
DesignConical shape with radial groovesSecure, adjustable clamping for precise alignment
Precision±0.002mm runout toleranceEnsures consistent machining accuracy
CompatibilityER series standard (ER20/30/32/40)Universal fit for CNC chucks and spindles
Warranty1-year manufacturer warrantyGuaranteed reliability and support

Customization guide

Adjustable parameters include size, material hardness, and surface coatings (e.g., anti-corrosion or wear-resistant treatments) to meet specialized needs like high-speed machining or corrosive environments.

Get inspired

Precision is key in modern manufacturing. Our ER Series Collets empower engineers to achieve micron-level accuracy, enabling flawless production of intricate components—from aerospace parts to delicate electronic assemblies.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Clamping Force1000N+15% (1150N)+30% (1300N)*
Material HardnessHRC 58HRC 62HRC 65
Temperature Range-10°C to 80°C-20°C to 100°C-30°C to 120°C
Runout Tolerance±0.003mm±0.002mm±0.001mm

Supplier's note

  1. Three Technical Breakthroughs:

    • Material Hardness: The Pro Model’s HRC 65 steel ensures 30% higher wear resistance than industry standards, extending tool life in abrasive materials.
    • Runout Tolerance: The Advanced Model’s ±0.002mm precision reduces surface defects in high-precision parts.
    • Temperature Stability: The Pro Model’s expanded temperature range (-30°C to 120°C) maintains performance in extreme environments.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard milling tasks where cost efficiency is prioritized.
    • Advanced Model: Perfect for precision engineering (e.g., medical implants) requiring tight tolerances.
    • Pro Model: Best for aerospace and heavy-duty machining, where extreme durability and accuracy are critical.

With the Pro Model’s tripled chemical resistance (via optional coatings), you can safely handle corrosive fluids in chemical processing. Pair this with its HRC 65 steel for unmatched longevity in harsh conditions. The Advanced Model’s precision ensures flawless results in electronics assembly, while the Base Model offers reliable performance for general workshops.

Frequently asked questions

  • Which ER collet size suits milling machines with limited workspace?

  • How to clean and lubricate ER collets after use?

  • Why is steel preferred over aluminum for ER collets in CNC machining?

  • Can ER collets be customized for non-standard tool diameters?

  • Are ER collets ISO certified for precision machining?

  • What’s the maximum tool diameter for ER32 collets in milling operations?

  • How to prevent wear on ER collet jaws during high-speed machining?

  • Do ER collets maintain accuracy under high-temperature machining?

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