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CNC Spring ER Collet Drilling And Milling ER11 Collet High Precision

Basic Information
Place of Origin: CHINA
Brand Name: QFMH
Model Number: ER8,ER11,ER16,ER20,ER25,ER32,ER40,ER50
Minimum Order Quantity: 10PCS
Price: USD 1/PCS
Packaging Details: PLASTIC BOX
Delivery Time: 5DAYS
Payment Terms: L/C, T/T, Western Union
Supply Ability: 10000PCS/MONTH
Accuracy: 0.008mm Clamping Range: 1-26mm
Color: Silver Grip Range: 1-26mm
Hardness: HRC50-52 Material: 65MN
Package: Plastic Box Runout Off: 0.005mm
Size: ER11, ER16, ER20, ER25, ER32, ER40 Surface Roughness: Ra0.8
Surface Treatment: Oxidation Taper: 0.005mm
Type: ER Collet Weight: 0.04kg
High Light:

CNC Spring ER Collet


ER Collet Drilling


Milling ER11 Collet

CNC ER sealed collet spring collet ,ER Sealed Collet drilling and milling


High precision CNC ER16 ER25 ER32 ER40 collet chuck internal cooling ER sealed collet with cooling hole , also known as spring collet, is mounted on a drill milling machine, drilling and milling chuck, its function is to clamp drill cutter or knife. Er flexible collet is currently the most used. Its stable performance, high accuracy by the majority of manufacturers trust. ER Sealed Collet All products are precision grinding, in line with the German DIN 6499 specifiCATEEions precision manufacturing.


1.Precision Collet Product Name: ER / C high-precision high-life cartridge clamp
2.ER Sealed Collet Material: Japan imported SUJ2, 42CrMo
3.ER Sealed Collet Product hardness: 46-50HRC
4.Surface roughness: Ra0.4
5.SPRING Collet Type: ER11C, ER16C, ER20C, ER25C, ER32C, ER40C, ER50C
6.Er32 Sealed Collets appearance: light coating (anti-corrosion, abrasion resistance, cleanliness number, accuracy and stability, smooth surface, feel comfortable, look more beautiful)
7.ER Sealed Collet accuracy: 0.005mm, 0.008mm
When ordering, please indiCATEEe the accuracy grade



Model D L Clamping Range Wt(KG)
ERS16 17 27.5 3-10 0.03
ERS20 21 31.5 3-13 0.04
ERS25 26 34 3-16 0.06
ERS32 33 40 3-20 0.1
ERS40 41 46 3-26 0.25


1. Strong clamping force

ER Sealed Collet

CNC ER Sealed Collet

2. Tough toughness and toughness
Collet hole through the precision grinding machine
Material: high-carbon bearing steel, in the heat treatment, with a tough hardness and toughness, and good flexibility and longer life
Hardness 46-50HRC
3. Exquisite processing technology
● Cryogenic treatment
1, -185 ℃ super-long cryogenic treatment, so that nearly all the retained austenite into martensite;
2. precipitation of nano-carbide particles to increase the hardness and toughness;
3. Reduce the residual stress;
4. Significantly improve wear resistance.

Aging processing
≥ 100h ultra-long set to remove the heat aging residual stress grinding process.



ER sealed collet is a type of collet that is used in machine tools, such as milling machines and lathes, to hold and secure cutting tools or workpieces. It is called "sealed" because it has a rubber or plastic sealing ring that prevents coolant or debris from entering the collet and contaminating the tool or workpiece.

Spring collet, on the other hand, refers to the mechanism used in the collet to grip and hold the tool or workpiece. It consists of a series of spring fingers that exert radial pressure on the tool or workpiece, ensuring a tight and secure grip.

Together, the ER sealed collet combines the sealing feature with the spring collet mechanism, providing a reliable and efficient tool holding solution that is suitable for appliCATEEions where coolant or debris is present.

Contact Details

Phone Number : 13705473076

WhatsApp : +8613705473076