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Premium Stainless Steel & High-Strength Fasteners

Trusted supplier of industrial screws, nuts, bolts, washers, and specialized fasteners for wind energy, solar, automotive, and construction sectors.

Industrial Fasteners
RoHS Certified ISO & DIN Standards Global Shipping

Who We Are

JiangYin XiangGu Hardware Products Co., Ltd. is a leading manufacturer and exporter of high-quality fasteners based in Wuxi City, Jiangsu Province, China — strategically located near Shanghai Port for efficient global logistics.

Since our founding in 2006, we have specialized in producing over 500 standard and custom fastener types made from stainless steel (A2-70, A4-70, 316), carbon steel, alloy steel, and copper materials. Our focus is on precision engineering, strict quality control, and responsive customer service.

2006
Founded
50+
Team Members
500+
Standards Supported
100+
Global Clients
Factory Interior

Why Choose Screwnutbolts.com

High Quality

Strict quality control system with in-house testing lab. RoHS compliant and certified to ISO, DIN, GB, and other international standards.

Advanced Manufacturing

Equipped with automated machinery and precision tooling for consistent production of metric and custom fasteners up to M48.

Custom Development

Our internal design team collaborates with clients to develop specialized fasteners for unique industrial applications.

100% Service

Flexible packaging, FOB/CIF/DDU/DDP shipping, and responsive support for bulk and small orders worldwide.

Our Top Products

Explore our wide range of precision-engineered fasteners meeting international standards including DIN, ISO, GB, and more. All products available in bulk with custom packaging options.

Dacromet DIN 25201 Wedge Washer

Dacromet DIN 25201 Double Fold Self Wedge Washers

  • Standard: DIN 25201
  • Material: 65Mn Spring Steel
  • Application: Wind Energy Fastening
  • Coating: Dacromet Anti-Corrosion
Get Best Price
Zinc Plated Eyebolt

Full Threaded Zinc Plated Eyebolts for Lifting

  • Grade: 4.8
  • Thread: Fully Threaded
  • Head Style: Round Head
  • Finish: Zinc Plated
Get Best Price
Internal Threaded Pin

Internal Threaded Parallel Pin HRC 45-55

  • Hardness: HRC 45-55
  • Type: Metric Internal Threaded Pin
  • Material: High Carbon Steel
  • Use: Industrial Machinery
Get Best Price
Hex Flange Bolt

DIN 6921 Zinc Plated Hex Serrated Flange Bolts

  • Standard: DIN 6921
  • Grade: 8.8
  • Material: Medium Carbon Steel
  • Finish: Zinc Plated
Get Best Price
Carriage Bolt

DIN603 A2-70 Stainless Steel Square Neck Carriage Bolts

  • Standard: DIN 603
  • Material: SS304 / A2-70
  • Finish: Natural Stainless
  • Use: Wood-to-Metal Fastening
Get Best Price
Nylock Flange Nut

ISO7043 Grade 8 Zinc Plated Nylock Flange Nuts

  • Standard: ISO 7043
  • Grade: 8 (Class 8)
  • Material: Carbon Steel 35K
  • Locking: Nylon Insert (Nyloc)
Get Best Price
Socket Cap Screw

ISO10642 10.9 High Strength Socket Countersunk Screws

  • Standard: DIN ISO 10642
  • Grade: 10.9
  • Material: Alloy Steel 40Cr
  • Finish: Black Oxide
Get Best Price
Socket Head Cap Screw

Fully Threaded Socket Head Cap Screws Class 12.9

  • Standard: DIN 912
  • Grade: 12.9
  • Material: Alloy Steel
  • Finish: Zinc Plated
Get Best Price
500+
Fastener Standards
18+
Years Experience
100+
Countries Served
200M+
Units Shipped

Frequently Asked Questions

What materials do you offer for fasteners?

We manufacture fasteners from stainless steel (A2-70, A4-70, 304, 316), carbon steel (grades 4.8, 8.8, 10.9, 12.9), alloy steel, spring steel (65Mn), and copper. Custom materials available upon request.

Do you provide custom fastener development?

Yes. Our in-house design and engineering team works with clients to develop custom fasteners for specialized applications in wind energy, automotive, aerospace, and industrial machinery.

What certifications do you have?

Our products comply with ISO, DIN, GB, and other international standards. We follow RoHS guidelines and maintain a strict quality control system with an on-site testing laboratory.

What is your minimum order quantity (MOQ)?

We offer flexible MOQs depending on the product. For standard items, MOQ can be as low as 1,000 pieces. Contact us for specific product requirements.

How do you handle shipping and logistics?

We offer FOB, CIF, DDU, and DDP shipping terms. Located near Shanghai Port, we ensure fast and reliable global delivery via sea, air, or express courier.

Get in Touch

Ready to place an order or need a custom quote? Contact our team today for fast, professional support.

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