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bolt 02

4 year ago
121 0
Product details



Product :black oxide cup head screws
Standard :DIN
Specification: M2-M26
Material :Carbon steel4.8grade,8.8grade,10.9grade,12.9grade;   stainless steel202,304,316,316L;Brass
Productive Process:wire rod→Anneal→Acid cleaing→Draw wire→molding and rolling thread→Heat treatment→Surface treat →Packing 
Surface treat :Plain,Black oxide,Blue white zinc,Yellow zinc,Hot dip  galvanized,Copper plating,Gold plating,Chromium Plating. 
Quality :Control Raw material inspect→process monitoring→Product test→Packaging check
Certification   :      ISO9001:2008   CE cert    ROHs
Packaging :product bulk in plastic bag→Carton box→Wood pallet
Application :Wind tower,Nuclear power,Railway,Automotive industry,Construction,Electronic industry
Delivery time        :        3-30days
Payment Terms :T⁄T30%deposit,the balance70%when we finish all of the goods;L⁄C at sight,Western Union

4312







Certifications

certifications

Main Products

bolt

Testing Laboratory


testing laboratory

We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing.




Production Process

production process

First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface, make the surface to be bright and clean and uniform and beautiful.

Company Information


Screw

Kunshan Zhonggu Precision Hardware Co., Ltd founded in 2006, is a set design, development, production, sale as a whole, professional production and operation of various types of industrial fasteners.
Company provides: National standard(GB), British standard(BS), German standard(DIN), American standard (ANSI) IFI), Japanese standard(JIS), International standard(ISO) and other standard fasteners, also can be made according to the requirement of customers.
The company product sales areas: mainland China/Europe/America/Japan/southeast Asia region.
The company's quality management system: ISO9001:2000 certification, ROHS certification, CE certification, etc.
The company's products usage: Automotive/Mould/Mechanical/Hydraulic/Wind Energy/PV/Elec-
tronic/Construction, etc.

FAQ



Q:How can I get a quotation?

A:Kindly provide us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response prompty!


Q:How to get a free sample?

A:We can provide our existing similar samples for free to check the style and quality!
For sample with your own logo or design, mold fee will be charged base on specification.


Q:What's the payment method?


A:We recommend you work with Alibaba Trade Assurance, it is very convenient. And T/T, PayPal, Western Union.… are all available.


Q:What's the process of order?


A:Sample:7-10 working days(Standard).
Bulk order.20-25 working days(Standard).


If you have any other questions, please feel free to contactus!



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