ER20 Tool Holder CNC Collet Chuck with HRC46° Hardness and 0.005mm Precision for 1-13mm Clamping Range
Price:
Negotiable
MOQ:
10
Delivery Time:
Negotiable
Brand:
GPDC
Product Description
ER20 Tool Holder CNC Collet Chuck Overview
Precision ER20 collet chuck designed for CNC machining applications, manufactured from high-carbon bearing steel SUJ2 with hardness HRC46° for superior durability and wear resistance.
ER20 Collet Specifications
| Item No. | Clamping Range (mm) |
|---|---|
| ER20-2.0 | 2.0-1.5 |
| ER20-2.5 | 2.5-2.0 |
| ER20-3.0 | 3.0-2.0 |
| ER20-4.0 | 4.0-3.0 |
| ER20-5.0 | 5.0-4.0 |
| ER20-6.0 | 6.0-5.0 |
| ER20-7.0 | 7.0-6.0 |
| ER20-8.0 | 8.0-7.0 |
| ER20-9.0 | 9.0-8.0 |
| ER20-10.0 | 10.0-9.0 |
| ER20-11.0 | 11.0-10.0 |
| ER20-12.0 | 12.0-11.0 |
Technical Features
- Material: SUJ2 high-carbon bearing steel
- Hardness: HRC46°
- Surface roughness: Rz2.5
- Precision honing processing per DIN 6499 standard
- Three precision grades available: S grade (0.015mm), A grade (0.01mm), UP grade (0.005mm)
- UP grade recommended for use with HSP nuts for enhanced stability
Applications
Designed for gripping drills, taps, milling cutters, reamers, and various cutting tools. Features elastic contraction for wide application range and operational variability.
Precision Accuracy Options
| Accuracy | Item | Clamp Diameter (mm) |
|---|---|---|
| 0.01 | A-ER8 | 1-5 |
| 0.01 | A-ER11 | 1-7 |
| 0.01 | A-ER16 | 1-10 |
| 0.01 | A-ER20 | 1-13 |
| 0.01 | A-ER25 | 2-16 |
| 0.01 | A-ER32 | 2-20 |
| 0.01 | A-ER40 | 3-26 |
| 0.005 | UP-ER8 | 3-5 |
| 0.005 | UP-ER11 | 3-7 |
| 0.005 | UP-ER16 | 3-10 |
| 0.005 | UP-ER20 | 3-13 |
| 0.005 | UP-ER25 | 3-16 |
| 0.005 | UP-ER32 | 3-20 |
| 0.005 | UP-ER40 | 3-26 |
Manufacturer Information
AUTOFOR Company specializes in precision cutting technology with over 10 invention patents, 600 formulations, and 30,000 specifications. Our resin grinding wheels achieve world-record thinness of 0.125mm, with all products certified environmentally friendly by SGS.
Note: Please specify required accuracy level when ordering.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangdong Autofor Precision Intelligent Technology Co., Ltd.
Location
Room 502, Block A, No.10 Hongguang Road, Yunpu Street, Huangpu District, Guangzhou City (Office only),China
Contact Person
Paul Yang