Milling Chuck ER Collet ER11 1mm-7.0mm High Accuracy Clamping
ER Collet for Milling Chuck ER11 Collet, 1.0-7.0mm, High Accuracy Clamping
ER Collet for Milling Chuck,High Accuracy Clamping 1-16mm CNC ER20 ER25 Spring ER Collet is made of high quality 65Mn material, with hardness of HRC45-48. We produce alll size of 1mm-20mm ER32 collets, and full range of ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50 collets. We have exported to humorous countries, and establish good cooperate relationship. Accuracy is from 0.005mm to 0.015 for your reference. We also manufactures kinds of CNC machine tool accessories including collet chucks, pull studs, retention knob.
Er Collet,Er16 Collet,Er20 Collet,Precision Er Collet Milling chuck series--ER collets
1)made of special elastic steel under excellent heat treatment and precise grinding process.
2)This collet can clamp for a specific standard size and its next size.
3) three accuracy:0.005mm, 0.01mm, 0.015mm.
| Model | d | D | D1 | D2 | L | Collopsible Capacity |
||
| ER8 | 1.0-5.0 | 8 | 8.45 | 6.5 | 13.5 | 0.50 | ||
| ER11 | 1.0-7.0 | 11 | 11.5 | 9.5 | 18 | 0.50 | ||
| ER16 | 1.0-2.5 | 16 | 17 | 13.8 | 27.5 | 0.50 | ||
| ER16 | 2.5-10.0 | 16 | 17 | 13.8 | 27.5 | 1.00 | ||
| ER20 | 1.0-2.5 | 20 | 21 | 17.4 | 31.5 | 0.50 | ||
| ER20 | 2.5-13.0 | 20 | 21 | 17.4 | 31.5 | 1.00 | ||
| ER25 | 1.0-2.5 | 25 | 26 | 22 | 34 | 0.50 | ||
| ER25 | 2.5-16.0 | 25 | 26 | 22 | 34 | 1.00 | ||
| ER32 | 2.0-2.5 | 32 | 33 | 29.2 | 40 | 0.50 | ||
| ER32 | 2.5-20.0 | 32 | 33 | 29.2 | 40 | 1.00 | ||
| ER40 | 3.0-26.0 | 40 | 41 | 36.2 | 46 | 1.00 | ||
| Model | d | D | D1 | D2 | L | L1 | L2 | L3 |
| ER11 | 1/32-17/64 | 11 | 11.5 | 9.5 | 18 | 3.80 | 2.5 | 2 |
| ER16 | 1/32-3/8 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4 | 2.7 |
| ER20 | 1/32-33/64 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 |
| ER25 | 5/64-5/8 | 25 | 26 | 22 | 34 | 6.66 | 5 | 3.1 |
| ER32 | 1/16-25/32 | 32 | 33 | 29.2 | 40 | 7.16 | 5.5 | 3.6 |
| ER40 | 1/8-1″ | 40 | 41 | 36.2 | 46 | 7.66 | 7 | 4.1 |
ER collet is a type of collet that is commonly used in milling chucks. It is a cylindrical metal sleeve with a tapered inner surface that expands when tightened, gripping the tool or workpiece securely. ER collets are designed to hold round shank tools, such as end mills, drills, and reamers, in milling chucks.
The ER collet system is widely used in milling appliCATEEions due to its versatility and accuracy. It allows for quick tool changes and provides good concentricity, ensuring precise machining. ER collets come in various sizes, designated by a number such as ER16, ER32, or ER40, which indiCATEEes the maximum tool diameter they can hold.
To use an ER collet in a milling chuck, the collet is inserted into the chuck and tightened using a collet nut. The tool or workpiece is then inserted into the collet and secured by tightening the nut further. This creates a strong grip on the tool, preventing slippage during machining operations.
Overall, ER collets are a popular choice for milling chucks due to their reliability, ease of use, and ability to hold a wide range of tool sizes.
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