Introduction
We can manufacture all kinds of non-standard machine screws from size M2 to M8, according to customers drawings.

First-class Technical Equipment
Now we have cold heading machine, thread-rolling machine, self-drilling screw forming machine, screw washer assembling machine and automatic multi-station cold heading machine (with six dies).

Product Destription:
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Place of Origin |
Wuxi China(mainland) |
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Brand Name |
AOTIAN |
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Material |
Carbon steel & stainless steel |
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Size |
All frequently-used size, produce as your requirement is ok |
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Standard |
GB,GB/T,DIN,JIS,BSW,ANSI,ISO & non-standard products |
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Surface |
Plain, Yellow zinc, black phosphated, grey phosphated, nickel plating and others |
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Quality |
Be affordable and with high quality |
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Packing |
AS you required (normally with small boxes and then cartons) |
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Delivery |
25-60 days |
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Payment |
30% deposit and 70% cash before shipment or on the basis of L/C |
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Specifications |
Various shape size according to clients' requirement |
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Professional |
We are specialize in CHQ drawn wire and screw products and have more than 10 years experience in this field |
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Service |
If you have any problems or services about our products pls let us know without any hesitation |
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Contact |
Sales Manager: Lin Mobile: +86 18061512788 E-mail: overseatrade@aotianwire.com |
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Material |
1.Stainless Steel: SUS201, SUS304, SUS316, SUS410 |
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Standard |
ISO,DIN,GB,ANSI,BS,JIS,Nonstandard or your demand |
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Size |
M2-M8 or as request |
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Length |
According to your needs |
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Color |
black,color zinc,etc |
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Finish |
Plain,Zinc Plated(Clear/Blue/Yellow/Black), Black oxide,Nickel,grey phosphate,nickel,ruspert,H.D.G,etc |
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Grade |
4.8,8.8,A2,A4,etc |
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Heat Treatment |
Tempering,Hardening,Spheroidizing,Stress Relieving |
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Specification |
Various head style and sizes per your request |
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Notice |
Please let us know the specific Size, quantity, Material or Steel Grade and surface requirements in advance. If you need special and Non-standard products, please send us the Drawings and product samples to us. Thanks! |
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Quality Certificate: |
ISO9001:2015, IATF16949:2009 |
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Inspection quality system: |
ISO standard, 100% Whole inspection through the production. |
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Equipment: |
Hardness test, torque test, salt spray endurance test, mechanical sizes test,certification and etc as per your need. |
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Inspection process: |
Incoming quality control →Process Quality Control →Final Quality Control → Pre-shipment |





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