ER25 High-Precision Spring Collet | DIN6499B Industrial Grade Chuck

The TriQuench ER25 High-Precision Spring Collet is an essential component for elite CNC machining environments where runout precision is critical. Manufactured from premium 65Mn spring steel and hardened to HRC44-48, these collets provide superior clamping force combined with excellent elasticity. Adhering strictly to the DIN6499B standard, each collet is precision-ground to ensure minimal T.I.R. (Total Indicated Runout), significantly extending tool life and improving surface finish quality. The unique double-slit design allows for a wide clamping range while maintaining concentricity, making it perfect for high-speed routing, drilling, and milling operations. Whether used in a high-frequency spindle or a standard CNC tool holder, our ER25 collets deliver the reliability and repeatable performance required for professional-grade fabrication.

High precision T.I.R. for vibration-free high-speed routing
Forged from premium 65Mn steel for maximum tensile strength
Hardened to HRC44-48 for superior wear resistance and longevity
Strict compliance with DIN6499B industrial quality standards
Double-slit collapse design for secure and uniform clamping force
Fully ground surfaces for optimal contact between spindle and tool
Optimized for high-speed spindles (up to 24,000 RPM)

Engineering Analysis & Technical Data

Technical Parameter	Specification Details
MODEL NUMBER	ER25
MATERIAL GRADE	65Mn Spring Steel
HARDNESS RATING	HRC44-48
STANDARD COMPLIANCE	DIN6499B
RUNOUT TOLERANCE	≤ 0.008mm (Standard Precision)
MECHANICAL	outerDiameter: 26 mm \| totalHeight: 34 mm \| clampingRange: 1mm to 16mm (available sizes) \| weight: 0.07 kg (approx)

Industrial Applications

Usage Scenario	Target Industry
CNC Router Spindle Tool Clamping	Machine Tool Manufacturing
High-Speed Milling and Drilling Operations	Furniture and Signage Fabrication
CNC Engraving and Wood Carving Systems	Aerospace and Automotive Engineering
Metal Fabrication and Lathe Tooling	Precision Tool and Die Shops
Precision Automated Machining Centers	Electronic Component Manufacturing
PCB Drilling and Prototyping	General Engineering
Industrial Component Manufacturing	General Engineering

Technical FAQ

What is the importance of the DIN6499B standard?

DIN6499B is the international standard for ER collets, ensuring specific dimensional accuracy, material quality, and runout tolerances. Compliance with this standard guarantees that our collets will fit perfectly into any standard ER25 tool holder or spindle.

How does the hardness of HRC44-48 benefit my machining?

A hardness of HRC44-48 ensures that the collet is tough enough to resist wear from repeated clamping cycles while remaining elastic enough to grip the tool shank securely without cracking.

How often should I clean my ER25 collets?

Collets should be cleaned with a soft brush or compressed air after every tool change. Debris inside the collet slits can cause runout and imbalance, leading to poor finish quality and tool breakage.

Detailed Overview of ER25 High-Precision Spring Collet | DIN6499B Industrial Grade Chuck

Advanced Engineering & Integration

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