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Collets And Chucks
- Haopai
- China
- two to three days
- 30 pcs month
- ER40 16mm
Product Advantages and Features
1.Superior Clamping Performance
SUJ2 bearing steel construction,Heat-treated to HRC46° hardness,Precision-engineered for 16mm tools
2.Enhanced Durability
Anti-fatigue spring design,Polished inner surface reduces wear,Extended service life
3.Ultra-High Precision Clamping
Optional A or AA precision grades,Runout accuracy ≤0.005mm for AA grade,Excellent concentricity for fine finishing
4.Professional Application Optimization
Dynamic balanced for high RPM,Heavy-duty cutting capable,Through-coolant capability。
5.Advanced Sealing Technology
Leak-proof construction,High-pressure coolant seal,Ideal for deep-hole machining
Product Technical Parameters
Specifications | Model Number | ER40-16mm |
Clamping Diamete | 16mm (Standard clamping range 3-26mm) | |
Applicable Standard | DIN 6499/ISO 15488 | |
Overall Length | Approx. 65mm | |
Thread Specification | M45×1.5 | |
Maximum Opening Diamete | Approx. 26mm | |
Precision Parameters | Axial Runout | ≤0.008mm |
Radial Runout | ≤0.005mm (AA Grade) | |
Accuracy Grade | AA Grade(≤0.005mm)/A Grade(≤0.01mm)/Standard Grade(≤0.02mm) | |
Maximum Rotation Speed | 25,000 RPM (After dynamic balancing) | |
Applicable Torque | 120-150N·m | |
Maximum Clamping Force | Approx. 3,500N | |
Coolant Pressure | ≤10MPa (Sealed Type) |
Product Application Scope
Our collet is specifically designed for high-precision vertical drilling operations, seamlessly integrating with core woodworking equipment such as hexagonal drills, cutting machines, and PTP machining centers. It comprehensively meets the drilling requirements across various applications including panel furniture, custom cabinetry, and solid wood processing, enabling you to achieve efficient, precise, and flexible production.


Product Description
Main Material | SUJ2 High-Carbon Chromium Bearing Stee |
Surface Treatment | Precision Grinding and Polishing |
Heat Treatment Hardness | HRC46-48° |
Inner Wall Roughness | Ra0.2μm |
Operating Temperature | -20℃ to +120℃ |
Corrosion Resistance | Nickel/Chrome Plating Optional |
Company Introduction
Haopai Co., Ltd. was established in 2008 and is a comprehensive service enterprise specializing in machinery and accessories for the home industry. We have a specialized and innovative customer center, component assembly workshop, equipment debugging workshop, processing workshop, and warehousing. Our main business includes sales of mechanical parts, equipment upgrades and renovations, equipment maintenance and relocation, customized non-standard equipment, intelligent production line planning, automation support, machine vision, shared cloud warehouses, etc. We provide customers with professional personalized services. After more than ten years of accumulation and development, our elite service team of nearly 200 people has served over 10000 enterprises nationwide. Over the years, we have accumulated more than 200000 non-standard accessory categories, making us the most comprehensive one-stop procurement platform in the industry. We have the most competitive technical renovation team in China, with a total of over 100000 equipment upgrade and renovation projects. Haopai Co., Ltd. has been committed to the great cause of making global machinery and preferred Chinese parts for many years, and is determined to become the preferred brand for comprehensive services of global machinery and parts.


Deeply Cultivating the Industry for More Than Ten Years, Creating an Intelligent Manufacturing Full Chain System for Woodworking Machinery.
After 16 years of industry accumulation, we have always focused on the research and manufacturing of CNC woodworking machinery. We have established a leading full chain production system and specialized team structure, providing one-stop services from research and development to delivery for global customers. It is currently a one-stop procurement platform with a complete range of categories in the industry.
Specialized and Innovative Customer Center



Haopai has been committed to the business philosophy of quality first, integrity-based, and win-win cooperation. We adhere to the business philosophy of ultimate customer experience and efficient operation, and uphold the service spirit of taking non-standard customization, drilling difficulties, and solving difficulties as our own responsibility. We constantly innovate and aspire to become the preferred brand for comprehensive services of global machinery and accessories. We are committed to making the great cause of global machinery and preferred Chinese accessories contribute to the development of national brands and the strength of Haopai people.




Team Style
Professional team, always on standby
The service team is distributed in pre-sales consulting, order management, technical support, and after-sales service positions, with 7 × 12 hours of online response to ensure that your needs are processed in the first time.






Haopai Intelligent Cloud Warehouse, Escorting You
In Order to Solve the Problems of High Procurement Costs, Low Efficiency, Difficult Management, Slow Logistics, And High Stagnant Inventory of Industrial Materials in Factories, Haopai Shared Cloud Warehouse Emerged in 2020. Greater Efforts Will Be Made to Assist Customers in Achieving Zero Capital Occupation, Spare Parts Inventory, And Improving Their Digital Level.




Machining Workshop




Component Assembly Workshop


New Media Center


The Intelligent Dispatching System Established in 2021 Has Achieved Intelligent Personnel Allocation, Real-Time Control of Technical Personnel's Work Status, Mobile Dispatching, Accurate and Effective Arrangement of Various Tasks, Precise Control of Project Costs, Thus Creating a Fast Response, Efficient, And Professional After-Sales Service Team.




Patent Certificates
Cooperative Partner
We Have Served over 10000 Enterprises Nationwide and Have Accumulated over 200000 Non-standard Accessory Categories over the Years, Covering Major Home Furnishing Brands Across the Country.