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DIN6499B Standard ER Collet 65Mn Material Machining Collet ER25

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
Features: High Precision, High Quality, Long Service Life Accuracy: 0.008mm
AppliCATEion: CNC Machine, Milling Machine, Drilling Machine Clamping Range: 1-40mm
Hardness: HRC50-55 Heat Treatment: High Frequency Quenching
Material: 65MN Package: Plastic Box/Carton/Pallet
Product Name: Precision ER Collet Size: ER11, ER16, ER20, ER25, ER32, ER40
High Light:

DIN6499B Standard ER Collet


65Mn Material Machining Collet


ER25 Collet

ER Collet with 65Mn Material & DIN6499B Standard er collet chucks


High Accuracy Clamping 1-20mm CNC ER32 Spring ER Collet ,It is a kind of cylindrical fixture used to imprison drilling and milling tools or milling tools, also known as Er collet. It can also be used to fix and strengthen a kind of fixed locking device of parts to be processed. Er spring chuck has large clamping force, wide clamping range and good precision. It is widely used in boring, milling, drilling, tapping, grinding and carving. Er chuck, a kind of spring chuck, is generally used for CNC tool holder


ER Collet Chuck Set /ER20 ER32 ER25 ER40 ER16 ER Collet for drilling milling tapping grinding er collet

1.ER Collets are applied for a variety of processing,including drilling, milling,tapping&grinding.
2.material: 65Mn er collets. standard: DIN6499B

3.hardness:HRC 44-48.

4. full size: ER8,ER11,ER16,ER20,ER25,ER32,ER40,ER50.

er collet

er collet

Model d D D1 D2 L Collopsible
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



spring ER collet is a type of collet that is used to hold tools in place in a machine spindle. It is commonly used in milling, drilling, and turning operations. The collet consists of a cylindrical body with a series of slits that allow it to expand and contract. Inside the collet, there is a set of springs that provide the necessary gripping force to hold the tool securely.

The spring ER collet is designed to be used with ER collet chucks, which are typically found in CNC machines. The collet chuck has a matching taper that allows the collet to be inserted and tightened. When a tool is inserted into the collet, it is held in place by the springs, which exert a radial force on the tool.

One of the advantages of using a spring ER collet is its versatility. It can accommodate a wide range of tool sizes, as long as they are within the collet's specified range. This makes it a cost-effective solution for shops that use a variety of tool sizes.

Another advantage of the spring ER collet is its high gripping force. The springs inside the collet provide a strong clamping force, ensuring that the tool remains securely in place during machining operations. This helps to minimize tool slippage and improve machining accuracy.

In conclusion, a spring ER collet is a versatile and reliable tool holding solution for CNC machines. It provides a strong gripping force and can accommodate a wide range of tool sizes, making it a popular choice in the machining industry.

Contact Details

Phone Number : 13705473076

WhatsApp : +8613705473076