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Surface treatment blackening,Fastener connector ,USS different types of washers

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Surface treatment blackening,Fastener connector ,USS different types of washers

China Surface treatment blackening,Fastener connector ,USS different types of washers supplier

Large Image :  Surface treatment blackening,Fastener connector ,USS different types of washers

Product Details:

Place of Origin: China
Brand Name: Xin Yan hardware
Certification: ISO9001
Model Number: American USS

Payment & Shipping Terms:

Minimum Order Quantity: 20000PCS
Price: According to market changes
Packaging Details: One carton contains 25kg, 36 cartons contain one pallet and 28 pallets contain one container
Delivery Time: 15-20 work day
Payment Terms: T/T
Supply Ability: 100000PCS Once a week
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Detailed Product Description
Color: Black Material: Carbon Steel
Surface Treatment: Mechanical Galvanizing Shape: Circular
Origin: China Use: Industrial
Material Grade: ISO9001 Theory: Stamping

Surface treatment blackening,Fastener connector ,USS different types of washers


Flat washer is generally used in fitting a soft texture, is a hard and brittle, its role is largely increase the contact area, dispersing pressure, prevent the quality of a material soft crush.Flat mat is: 1, increase the contact area of the screw and machine 2, eliminate the trampoline at the time of discharge screw damage on the surface of the machine.Must be: when using a flat pad, spring pad flat pad close to the surface of the machine, spring cushion between the plain washers and nuts.Flat pad is in order to increase the screw surface.Spring pad to prevent screw loosening, force when a certain amount of buffering effect.Although flat mat can do sacrifice pad.But more often is used as supplement pad or flat mat.And the spring pad a lock.Such as the workpiece hole diameter value (S) and the screw diameter is too large when not using a flat mat or direct use of spring washers, will not only harm the artifacts.


USS mechanical galvanized gaskets for galvanized carbon steel


Purpose:Fittings/ Fasteners /Pin / Bushing / Hardware / Screw, Bolt, Nut, Fastener

Lead Times Available: According to your quantity.

Our advantage: High quality; Competitive price; Timely delivery; Excellent Service

Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand

Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, H.D.G.

Payment Term: T/T, L/c, D/A, D/P, etc

Manufacture Process:Stamping, Machining and CNC for Customized fastener




Please lets know the Size, quantity, Material or Grade, surface,

If it is special and Nonstandard products, please supply the Drawing or Photos or Samples to us



Professional manufacturer

  • We have huge factory with different production lines, and big professional warehouse.
  • Our capacity of production could be achieved 300MT per month now and we can complete the production within 25days after confriming the order.
  • supply a wide range of flat washers & stamping parts. All steels, stainless steels. Contact us direclty for more products catalogue.


Our Advantage:

1. On-time shipment

2. Payment protection

3. Product quality protection

4. Beautiful package

5. competitive price and good quality

6. good after-sale service

7. Full experience

8. Prompt delivery

9. All size can be producted by customers

10. Non -standard fasteners can be made according your drawing


Products Competitions:

  • From raw materials to end product delivery, it has a strict control program.
  • Accurate completion is done about wiring- roughing – annealing- pickling -
  • drawing - heading - rolling - heat treatment -surface treatment -packaging and other aspects.
  • The regular package is cartons and pallets. 20-25 kgs per pallet and 36 cartons per pallet. Also we can pack as per the requirements of clients.



We always provide good quality and nice design products to meet the needs of the customers. We are the leader in this field and we always provide good products and service to our valuable customers. We always supply the better price on the same quality level, and try our best to save the client’s every cent. We are the specialized supplier of fastener, can provide the best price. We have professional packing teams which keep every packing safely. From raw materials to end product delivery, it has a strict control



Drawings, photos and samples are welcomed.

*We can according to your requirement or samples to do the product.

*Any questions or need more information, please feel free to conact with us.

*We are looking forward to have a good cooperation with you.

*welcome to visit our factory!


Contact Details
Jiashan Xinyan Hardware Products Factory

Contact Person: Nicole

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