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Home > Products > Spring Collets > ER Collet DIN6499 > ER20 1/2" Ultra Precision ER Collet
ER20 1/2" Ultra Precision ER Collet
ER20 1/2" Ultra Precision ER Collet
ER20 1/2" Ultra Precision ER Collet
ER20 1/2" Ultra Precision ER Collet
  • ER20 1/2" Ultra Precision ER Collet
  • ER20 1/2" Ultra Precision ER Collet
  • ER20 1/2" Ultra Precision ER Collet
  • ER20 1/2" Ultra Precision ER Collet

ER20 1/2" Ultra Precision ER Collet

    Unit Price: USD 5.7 / Piece/Pieces
    Payment Type: T/T
    Incoterm: FOB,EXW
    Min. Order: 5 Piece/Pieces
    Delivery Time: 7 Days

Basic Info

Model No.: ER20-1/2"

Process Usage: Metal-Cutting CNC Machine Tools

Performance Classification: Economical CNC Machine Tools

Certification: ISO 9001

Condition: New

Product Name: High Precision Quenching ER Collet

Material: SUJ2

HRC: 45-50

Model: Standard

Accuracy: Less Than 0.005mm

Brand: ChongDe

Run Out: 0.005mm 0.008mm

Additional Info

Packaging: Packed by wooden case or plastic or aluminium box

Productivity: 30000pieces/month

Brand: ChongDe

Transportation: Ocean,Land,Air

Place of Origin: JiNing.ShanDong.China

Supply Ability: 30000 pieces/month

Certificate: ISO9001

HS Code: 8466100000

Port: QingDao,ShangHai,BeiJing and Any Port of China

Product Description

Chongde ER20-1/2" Precision Spring Collet Runout is 0.0003"

A new process quenching treatment for collets, which has a decisive influence on product accuracy, service life and stability.

Quenching is a high-frequency aging treatment added to the heat treatment, -384.8℉ degrees cryogenic treatment, these are not reflected in the appearance, but have a decisive impact on the service life and stability of the product.

Processing technology, full-line CNC internal hole grinding machine, compared with the products processed by ordinary internal hole grinding machine, the inner hole straightness is better, the finish is better.

Er Collet 5
ER20 Spring Collet
1) Runout of our Er Collet are within 0.005mm-0.008mmm.
2) ER8, ER11, ER16, ER20, ER25, ER32, ER40 and ER50 collet.
3) Made of high quality steel: JIS-SUJ2.
4) Packing:Inner packing is plastic or paper box, the outer packing is cartons.
5) We normally supply three kinds of accuracy: first accuracy 0.005mm, and second accuracy 0.008mm. The highest accuracy is 0.005mm.
6) Inspection: 100% collet inspection.

The production process of ER Collet

Cryogenic treatment

1) -196℃, and ultra long cryogenic treatment make the nearly all retained austenite change to martensite.
2) The precipitated nano carbide particles increase the hardness and toughness of the material.
3) Remove the internal stress of the residual material.
4) After cryogenic treatment , the wear resistance of products is significantly improved, and the accuracy and service life of repeat clamping can be increased by about 50%.

The Size of ER Collet

Product Information

Technical Details Additional Information

Condition Brand-New
Brand chongde
SKU CD010201-20127
Collet Series ER20
Collet Grip Range 0.500"-0.460"
Size 1/2"
Diameter(D1) 0.826"
Overall Length (L) 1.240"
Runout ≤0.0003"
Dimensions 1.0"x1.0"x1.4"
Net Weight 0.10 LB
Gross Weight 0.15 LB
ER20 ultra precision collet high durability Er20 Collet high brightness er20 collet

1.Package: Plastic boxes and also can pack according to your requests.
2.Delivery time:Sample within 7 days and others 35 days.

The Package of ER Collet

Shipment of Delivery

I Fast reply

II Favourable price

III High quality products

IV Fast delivery

V Good after-sales service


1.Are you factory or Trade Company?

We are industry and trade integration.

2.Could you supply samples?

Yes ,free samples for some products.

3.Where do you export?

The whole world.

4.Could you produce non-standard products?

Yes ,we can .Please supply samples or drawing.

5.What are the shipping ways?

By intemational express,by air ,by sea are all OK .

6.Do you have minimum order quantity?

Conventional Products don't have.The minimum order quantity of non-standard products is 50pcs.

7.What's your payment method?

T/T,PayPal and Other Trad Assurance.

8.What's your delivery time?

Less than 25 days after order confirmed.

9.What's your package?

Our packaging with on brand,inside is plastic box,outside is carton.

Looking for ideal High Brightness Er20 Collet Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the High Durability Er20 Collet are quality guaranteed. We are China Origin Factory of ER20 Ultra Precision Collet. If you have any question, please feel free to contact us.

Product Categories : Spring Collets > ER Collet DIN6499

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