CNC Accessories Tool Holder SK Collet Nut

Unit Price: USD 9.8000 / Piece/Pieces
Payment Type: T/T
Incoterm: FOB,EXW
Min. Order: 5 Piece/Pieces
Delivery Time: 7-45 Days

Basic Info

Model No.: CSK25 NUT

Application: Metal

Process Usage: CNC Non-Conventional Machine Tools

Numerical Control: CNC/MNC

Performance Classification: Economical CNC Machine Tools

Certification: ISO 9001

Condition: New

Model No.: NUTS

Material: 20CrMnTi

HRC: 50-53

Run Out: 0.005mm

Size: CSK6/10/13/16/20/25

Additional Info

Packaging: Packed by plastic or paper box

Productivity: 30000pieces/month

Brand: ChongDe

Transportation: Ocean,Land,Air

Place of Origin: QuFu.JiNing.ShanDong

Supply Ability: 20000 pieces/month

Certificate: ISO9001:2018

HS Code: 8466100000

Port: QingDao,ShangHai,Any Port of China

Product Description

High speed high accuracy high durability CSK25 nuts 

Brief introduction

High Precision Accessories CSK25 collet nut for all the kinds of collet chuck, the knife rod, extension rod nut.Selection of high quality spring steel, has a higher flexibility and service life.The clamping force, clamping range, high precision, used for boring, milling, drilling, tapping, grinding and engraving processing. CSK25 collet nut all through high precision grinding, precision manufacturing line with the German DIN 6499 specifications.And It can be used with the spanner of TSK25.

We also have many kinds of NUTS ,such as ,A type,GER type,MS type,UM type,M type ,KM type,NER type,and so on.

Comprehensive features of CSK25 nuts 


2.Heat treatment and thermal aging treatment have improved the stability of accuracy and dimensions.

3.Thread and a slope of 30 degrees have once molding processed.The tolerance class of thread use 4H,accuracy detected one by one.

4.Pre-balance is G2.5-20000RPM.



5.Surface coating processing treatment,improve surface hardness and endurance,cleaness better,antirust,accuracy more stable,surface more smooth,feel comfortable,appearance nice.


Csk Nut 3

Csk Nut



Mounting instruction for CSK20 collet and nut

1. Put the collet into the nut in level direction,push in into the nut.
2. Fix the nut and the collet on the spindle rotate the nut until the collet is pressing.Wipe the straight shank of cutter,and insert it into the pilot hole.Tighten the nut with a wrench till the cutter is clamped heavily.
(Caution:never tighten the nut without cutter in it for it will break)
3. When changing the tool,loosen the nut and it shall bring out the collet and the cutter together,and then drawthe cutter out push out slightly the collet in the offered direction,it shall be ready for any change of the cutter.

Products advantages

2.Improve the hardness and endurance of the surface.
3.Cleaness better,accuracy stable.
4.Surface more smooth,feel comfortable,appearance nice.
5.Cryogenic treatment and thermal aging processing improve the stable of accuracy and size.

Packaging And DeliveryNUTS PACKAGING

Model Of Transportation

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

Our Service

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 delivery time?
Less than 25 days after order confirmed.

Contact Information


Shandong Chongde Precision Machinery Co.,LTD

Contact Person: helen



Address: New Town Development Building B,Podium Building 4 North Lake Tourist Areas,Jining,Shandong

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