Precision Metal Fasteners for Global Industries

Haining Zhongheng Metal Products Co., Ltd. – Expert manufacturer of high-strength threaded rods, rebar bolts, and custom fasteners since 2003. ISO, CE, and SMETA certified. 8000+ tons annual output.

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22+

Years Experience

2003

Founded

8000 T

Annual Output

M3–M80

Diameter Range

Trusted Manufacturer Since 2003

Haining Zhongheng Metal Products Co., Ltd. has been a leading manufacturer of threaded rods and metal fasteners for over two decades. With a strong focus on quality and customer satisfaction, we have built a global reputation for reliability and precision engineering.

Our factory, located in Haining, Zhejiang, China, produces up to 8000 tons of high-strength fasteners annually. We adhere to international standards including DIN, ANSI/ASME, ISO, SAE, and ASTM, ensuring every product meets rigorous performance requirements.

ISO 9001:2015 Certified

ISO 14001:2015 Certified

ISO 45001:2018 Certified

SMETA / Sedex Audited

Our Product Range

From standard DIN and ANSI threaded rods to custom non-standard fasteners, we offer a comprehensive range of high-strength metal products for construction, infrastructure, and industrial applications.

DIN 976, Grade 4.8

Zinc-Plated, M8x1000, M10x1000

Standard Threaded Rod

Available View Details

UNC PL 0.625-11

18 INCH, Hole Size 0.187

Unconventional Threaded

Customizable View Details

Trapezoidal Threaded Rod

Grade 4.8, Plain, M30×6×400mm

High Load Capacity

Heavy Duty View Details

Trapezoid Threaded Rod UNC

Class 2, Plain, 1-5 x 3 Feet

Industrial Grade

In Stock View Details

ASTM B7

Zinc-Plated, 0.625 × 18 INCH

High Tensile Strength

Grade 10.9 View Details

UNC Round Thread

Class 2, 1-4.5 × 600

Smooth Surface Finish

Precision Cut View Details

DIN976, Grade 10.9

Zinc-Plated, M20 × 1000mm

High Strength

Construction Use View Details

DIN976, Grade 8.8

Zinc-Plated, M12 × 1000mm

General Purpose

Widely Used View Details

M16X200mm HDG

Hot-Dip Galvanized

Corrosion Resistant

Outdoor Use View Details

Grade 4.8, HDG

M24 × 195mm × 270mm

Custom Lengths

Multi-Segment View Details

DIN976, Grade 12.9

Zinc-Plated, M16 × 1000mm

Ultra High Strength

Critical Applications View Details

Section Thread Rod

Custom Profiles Available

Non-Standard Shapes

Made to Order View Details

View All Products

Why Choose ZH Hardware?

We combine decades of manufacturing expertise with strict quality control and global compliance to deliver reliable fastening solutions.

22+ Years Experience

Founded in 2003, we’ve mastered the art of precision metal fastener production with consistent quality and innovation.

Global Certifications

ISO 9001, ISO 14001, ISO 45001, CE, and SMETA/Sedex certified for quality, safety, and ethical standards.

High-Strength Materials

Our rods are available in Grades 4.8, 8.8, 10.9, and 12.9, ensuring performance under extreme loads.

Customization

From M3 to M80 diameter and 100mm to 8000mm length, we produce non-standard and specialty fasteners.

Global Export

Serving customers across North America, Europe, Asia, and the Middle East with reliable delivery.

Advanced Facilities

Modern production lines with CNC threading, heat treatment, and automated quality inspection.

Frequently Asked Questions

What standards do your threaded rods comply with?

Our products meet DIN975, DIN976, ISO898, SAE J429, ASTM F1554, and BSW standards, ensuring global compatibility.

Can you produce custom-sized or non-standard threaded rods?

Yes, we specialize in non-standard and custom fasteners, including unique diameters, lengths, thread types, and surface treatments.

What surface treatments do you offer?

We provide zinc plating, hot-dip galvanizing (HDG), plain (black), and other coatings based on application needs.

What is your minimum order quantity (MOQ)?

MOQ varies by product and customization level. Contact us for specific project requirements and pricing.

Are samples available?

Yes, we can provide samples for evaluation. Please contact us with your specifications.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team. We respond promptly to all messages.

Address

No.1 Fengshou Road, Yanguan Town, Haining, Zhejiang, China

Phone

86-573-87612078

8613758326771

Email

[email protected]

Fax

86-573-87616038

Contact Us

To place an order or learn more about our products, visit our official website.

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