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HRC50-HRC52 Coolant Sealed ER Collets With Cooling Hole Spring Collet

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:

Coolant Sealed ER Collets


HRC52 Sealed ER Collets


HRC50 ER Collet

coolant collets ER sealed collet with cooling hole spring collet


ER Sealed collet clamping spring collet for BT ER collet chuck , and the milling cutter is cooled directly during the internal cooling and water discharge processing to ensure the stability and wear resistance of the milling cutter. The carburized material is hardened by quenching, which is sturdy, durable, and exquisite.ER Sealed Collet with ERS32 ,CNC Tool Holder Collet ,Modle no.ER16C,ER20C,ER25C,ER32C,ER40C.ER COLLET Taiwan's process is stable and reliable. The inner circle and outer cone have an accuracy of 0.008mm. They are widely used for milling, drilling, tapping, carving, CNC spindle machine and other clamping tools. It is a cost-effective tool preferred by the factory.

1. ER Sealed Collet Material: SUJ2; 42CrMo;
2. ER Sealed Collet Hardness: 46-50HRC;
3. Spring Collet The use of groove differences, to achieve the surrounding water, only the center of the water function;
4 can withstand water pressure 7Mpa;
5. Din6499 Collet Non-standard hole can be customized;
6.20 slot design to increase the number of elastic groove, shrinkage of 0.5mm, clamping force increases to increase the sealing;
7. Precision Collet Provide two kinds of appearance: light decoration or coating treatment;



ER Sealed Collet


ER sealed collet with a cooling hole is a type of collet used in machining operations. It is designed with a sealed construction to prevent coolant or debris from entering the collet and causing damage to the tool or workpiece. The cooling hole is a feature that allows coolant to be directed through the collet to cool the cutting tool during machining. This helps to increase tool life and improve machining performance. The sealed construction and cooling hole make the ER sealed collet suitable for high-speed machining appliCATEEions where coolant is used.


ER collets are a type of collet used in milling machines to hold and secure cutting tools. They are designed to be versatile and widely used in the industry. However, ER collets are not typically sealed.

Sealed collets, on the other hand, are designed to prevent the ingress of coolant, chips, or other contaminants into the collet and spindle. These collets are commonly used in appliCATEEions where coolant or lubricant is present, such as in high-speed machining or in environments where cleanliness is crucial.

While sealed collets are available for various collet systems, including some specialized milling collet systems, they are not commonly available for ER collets. This is because ER collets are primarily used in appliCATEEions where coolant or lubricant is not present or where the risk of contamination is minimal.

If you require a sealed collet for your milling machine, you may need to consider alternative collet systems that offer sealed options, such as hydraulic or shrink-fit collet systems. These collet systems provide better protection against contamination and are often used in demanding machining appliCATEEions.


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

Contact Details

Phone Number : 13705473076

WhatsApp : +8613705473076