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Premium Fasteners
Engineered for Strength

Kunshan Grace Hardware Co., Ltd. – Your trusted Chinese manufacturer of high-quality bolts, screws, studs, and fasteners. ISO & DIN compliant. Exporting globally with precision and reliability.

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20+ Years Experience

Trusted by industrial partners across 50+ countries.

ISO & DIN Certified

All products meet international quality standards.

Global Shipping

Fast delivery to North America, Europe, Asia & beyond.

About Kunshan Grace Hardware

Kunshan Grace Hardware Co., Ltd. is a leading manufacturer and exporter of industrial fasteners based in China. With over two decades of experience, we specialize in producing high-precision bolts, screws, studs, washers, and anchors that meet DIN, ISO, and customer-specific standards.

Our factory is equipped with advanced CNC machinery and automated quality control systems to ensure consistency, durability, and performance in every batch. We serve industries including construction, automotive, energy, and infrastructure.

Stainless Steel, Carbon Steel & Alloy Steel Materials
Zinc Plated, Hot-Dip Galvanized, Dacromet & Anodized Finishes
Custom Sizes & OEM/ODM Services Available
Factory Exterior Fastener Close-up Industrial Application Galvanized Bolts

Our Premium Fastener Products

Explore our extensive range of industrial fasteners designed for strength, durability, and precision. All products are manufactured under strict quality control and available in multiple materials and finishes.

Hot Dip Galvanized Guardrail Bolts

Highway Guardrail Bolts

  • Standard: ISO, DIN
  • Material: Carbon Steel, Alloy Steel
  • Finish: Hot Dip Galvanized (HDG), Black
  • Thread: M.MF/UNC/UNF/BSW/NPT
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Hexagon Head Bolts

DIN M2-M48 Hexagon Head Bolts

  • Standard: DIN
  • Material: Stainless Steel, Carbon Steel
  • Finish: Zinc Plated, Plain
  • Size Range: M2 to M48
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Thread Rods

DIN 976 Threaded Rods & Stud Bolts

  • Standard: DIN 976
  • Material: Stainless Steel, Alloy Steel
  • Finish: Zinc, Plain, Hot Dip Galvanized
  • Application: Anchoring, Structural Connections
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Square Neck Bolts

Square Neck & Mushroom Head Bolts

  • Application: Highway Guardrails, Safety Systems
  • Material: Carbon Steel
  • Finish: Hot Dip Galvanized
  • Head Type: Round, Square Neck, Mushroom
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Drywall Screws

Metric Drywall & Chipboard Screws

  • Measurement: Metric
  • Finish: Black, Zinc Plated
  • Head Style: Pan, Flat, Hex
  • Material: Carbon Steel
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Lock Washers

Lock Washers & Retaining Rings

  • Types: Spring, Serrated, Flat, Tab, Wave
  • Material: Steel, Stainless Steel
  • Application: Vibration Resistance, Secure Fastening
  • Standards: DIN, ISO
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Wind Turbine Fasteners

Wind Turbine Tower Fasteners

  • Application: Renewable Energy Structures
  • Material: High-Strength Alloy Steel
  • Finish: Dacromet, Galvanized
  • Standards: ISO 898-1, Custom Engineering
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Self-Drilling Screws

Self-Drilling & Self-Tapping Screws

  • Head Style: Pan, Hex, Cheese
  • Finish: Zinc Plated, Dacromet
  • Material: Carbon Steel
  • Use: Metal, Wood, Concrete Fastening
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View All 500+ Products

Why Choose Us?

We combine quality, precision, and global service to deliver unmatched fastener solutions.

Quality Assured

ISO-certified production with rigorous QC at every stage.

Advanced Manufacturing

CNC machines and automated systems ensure precision.

Global Export

Shipped to 50+ countries with reliable logistics partners.

Custom Solutions

OEM/ODM services with tailored materials, sizes, and finishes.

20+
Years in Business
500+
Product Types
50+
Countries Served
10M+
Units Shipped Annually

Frequently Asked Questions

What materials do you use for your fasteners?

We manufacture fasteners from carbon steel, alloy steel, stainless steel (A2/A4), and brass. Custom materials are available upon request.

Do you offer custom sizes and OEM services?

Yes, we provide full OEM and ODM services including custom dimensions, threading, head styles, and packaging.

What surface finishes are available?

We offer zinc plating, hot-dip galvanizing, Dacromet, black oxide, anodizing, and plain finishes depending on the product.

What standards do your products comply with?

Our products meet DIN, ISO, ANSI, and other international standards. Custom specifications are also supported.

How can I request a quote or sample?

Visit hardware-and-fasteners.com to submit your inquiry. We respond within 24 hours.

Get in Touch

Contact Kunshan Grace Hardware Co., Ltd. for quotes, samples, or technical support. We’re ready to serve your fastener needs with quality and speed.

Contact Person: Mrs. Miranda Li
Email: sales4@chnhardware.com
Phone: +86-153-7147-8913
Fax: +86-0512-3683-2631
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