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Custom CNC lathe turned stainless steel parts


This cylinder housing is used as steering connecting part for yachts, The tolerance of inner hole dia78 is (-0.05,0),the outside thread is M78*1 LH, the front surface roughness is Ra0.2 with mirror effect.


It is exported to Denmark; annual order quantity is about 500pcs.


We have experienced about 7 months to develop this product; our R&D department has tested many methods to achieve the roughness Ra0.2 with the mirror effect by turning.


WangYongHui is the keyman for the process designing; He had sung and danced at the first sight of the initial sample.



Nanjing Precision Engineering Co., ltd

Product’s Parameters

1. Material:Stainless steel 316L with material certificate
2. Process:Pipe+ cutting+ Cnc machining+ polishing+deburrs
3. Service available:OEM, the client has provided STEP, CAD, and PDF drawings with us, our production and the quality control is according to the technical drawings seriously.
4. Roughness:Ra0.2 and Ra0.8
5. Tolerance:ISO2768-M/F with dimensions’ inspection report.
6. Dimensions:OD90*ID78*L99 mm
7. Traceability:Material heat no, production batch, delivery batch
8. Certification:ISO9001,SGS, Rohs
9. Net Weight:0.77KGS
10.Packing:inner: bubble poly bag; outer: carton box or poly wooden case/pallet, final: with # straps


Nanjing Precision Engineering Co., ltd

Production time for 100pcs

20-25 days

Payment Method

T/T bank, LC, Western Union Pay, Paypal, Cash...

Trade Incoterm



Small batch: express such as FedEx/ DHL/ UPS/ TNT/ EMS......
Bulk batch: by air& by sea in LCL and FCL

Logistics Service

Booking, Pick-up Arrangement, H.S CODE select, ETD and ETA notification......

Shipping Docs

Bill of lading, Packing List, Invoice, Co, Coo, Form A/E/F, Non-wood packing declaration......

After- sale service

Technology support, Inspection support, assembly support, custom clearance support......

Complaints and Claims

The complaints and the claims will be answered within 2 hours definitely

Intellectual Property Protection

Respect NDA Agreement Seriously


100% refund or replacement for nok pcs


You are always welcome to contact NJPE, we will reply to you within 8 hours absolutely after the receipt of your questions or enquiries.


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I am Cindy Fan,you please kindly send your inquriy to ,I will send you quotation with 2 hours, or contact me at Skype Cindy-fan, Wechat 86-13813884518, and Whatsapp 86-13813884518,thank you!