Precision drill chuck Metric collet ER20
We make Collet chuck,Drill chuck,CNC lathe spring collet,Lathe
chuck,Tapping chuck,Chuck,Elastic collet and Er collet.
Advise:
UP grade are recommended for use with HSP nuts. Better stability.
| Metric collet ER20 |
| Item no. | Clamping range |
| 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 |
Material: SUJ2 (high carbon bearing steel: after heat treatment,
has toughness and toughness, better wear resistance, and longer
elasticity and longer service life) · Hardness: HRC46° · Surface
roughness Rz2.5 The inner and inner holes are subjected to strict
honing processing and concentricity according to the DIN 6499
standard. There are three kinds of precision grades. S grade
0.015mm, grade A 0.01mm and UP grade 0.005mm·UP grade are recommended for use with HSP nuts. Better stability.
Application:
gripping drills, taps, milling cutters, cutters, etc.
It has the function of elastic contraction, wide application range
and rich variability.
Usage:
holding drills, wire taps, milling cutters, reamer, etc.
Function:
elastic shrinkage, wide application range, and variability
Please inform the required accuracy level when ordering
| Accuracy | Item | Clamp Dia. |
| ER Elastic collet | 0.01 | A-ER8 | 1-5 |
| A-ER11 | 1-7 |
| A-ER16 | 1-10 |
| A-ER20 | 1-13 |
| A-ER25 | 2-16 |
| A-ER32 | 2-20 |
| A-ER40 | 3-26 |
| 0.005 | UP-ER8 | 3-5 |
| UP-ER11 | 3-7 |
| UP-ER16 | 3-10 |
| UP-ER20 | 3-13 |
| UP-ER25 | 3-16 |
| UP-ER32 | 3-20 |
| UP-ER40 | 3-26 |
In December 2018, AUTOFOR Chairman PAUL YANG successfully acquired
a domestic drilling chuck (clamp) manufacturer and opened the
strong layout of AUTOFOR “high-precision industry”.
Since 2019, the high-precision drill chucks (collect) of the “Jie
Paishi GPDC” brand under the AUTOFOR have begun to go global...
Precision Cut-off Wheel Series
AUTOFOR, as a global precision cutting enterprise, has obtained
more than 10 invention patents, 600 formulations and 30,000
specifications. Furthermore,resin grinding wheel can achieve 0.125
mm,which touched the world's thinnest record, and the entire line
of products through SGS environmental friendly certification.We can
also customize the formula according to the personal needs of
customers.
Company Profile
AUTOFOR Company,the craftsman Enterprise leading global exquisite
"Precision Cutting Technology" !
AUTOFOR Company, the promoter and the navigator of "Precision Cutting Technology"!
AUTOFOR Company, the industry standard setter and the developer of "Precision
Cutting Equipment"!
AUTOFOR Company, the successor and the specialist of "Precision Resin Cutting
wheel"!
AUTOFOR Company,the customizer and developer of “ Special Cutting Fluid”!
AUTOFOR Company,the designer and user of “Special Fixture”!
AUTOFOR Company,pledges to specialize in the Precision Cutting Technology for 100
years!
