TOP 1% GLOBAL MANUFACTURER

ENGINEERING
THE FUTURE

We don't just make fasteners. We hold the world's most critical infrastructure together. Certified by global standards, trusted by industry giants.

5 Billion+Pieces Annually

120+Export Countries

0.01%Defect Rate

15+ YearsOf Excellence

Powering Global Industries

🚄 High-Speed Rail 🏗️ Skyscrapers 🌉 Mega Bridges ⚙️ Heavy Machinery 🛢️ Oil & Gas

Our Unfair Advantages

German-Level Precision

Over 100 fully automated cold-forging lines ensuring micron-level accuracy.

100% Traceability (MTC)

Every batch comes with a 3.1 Mill Test Certificate.

Lightning Fast Delivery

30,000 tons of standing inventory for rapid shipping.

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Factory Strength

Pioneering Excellence Since 2010

50,000+Factory Sqm

30,000TAnnual Output

200+Employees

15+Years Exp.

Company Profile

Zhongnuo Lize Fastener Manufacturing (Handan) Co., Ltd. is strategically located in Yongnian, Hebei. For over 15 years, we have evolved from a specialized workshop into a comprehensive industrial powerhouse.

We integrate R&D, advanced manufacturing, and global trade under one roof. Our state-of-the-art facility is equipped with fully automated cold-forging machines, high-precision threading equipment, and a self-owned heat treatment line.

Why HDBOLT?

Manufacturing Excellence

We operate over 100 sets of automated equipment, ensuring consistent precision.

Quality Control Center

Our lab conducts spectral analysis and tensile strength tests to meet DIN, ISO standards.

Global Logistics Network

With a presence in 100+ countries, we provide door-to-door logistics solutions.

Our Standards

DIN ISO ANSI ASTM AS/NZS

Product Categories

Click to view full technical specifications and manufacturing capabilities.

High Tensile Hex Head Bolts DIN933 DIN931

High-Strength Hex Bolts & Structural Bolts

As a leading bolt manufacturer in Handan, China, HDBolt specializes in the mass production of high-tensile hex head bolts and structural flange bolts. We utilize multi-station cold forging to ensure superior tensile strength.

Standards	DIN 931, DIN 933, ISO 4014, ANSI B18.2.1, ASTM A325
Grades	4.8, 5.8, 8.8, 10.9, 12.9 (High Tensile)
Size Range	M6 - M64 / 1/4" - 2-1/2"
Surface Finish	Plain, Zinc Plated (CR3+), Hot Dip Galvanized (HDG), Black Oxide

Q: What is the lead time for Grade 8.8 hex bolts?

A: For standard metric sizes, our standing inventory allows for shipping within 7-15 days.

Industrial Hex Nuts & Lock Nuts

HDBolt is a premier supplier of precision-threaded industrial nuts. Our automated tapping lines guarantee Class 6H thread accuracy.

Standards	DIN 934, DIN 985, ISO 4032, ASTM A194 (2H)
Property Class	Class 6, 8, 10, 12
Thread Type	Metric Coarse, Metric Fine, UNC, UNF

Threaded Rods & Stud Bolts

Our fully threaded rods are manufactured using advanced thread rolling machines, providing superior thread profile strength.

Standards	DIN 975, DIN 976, ASTM A193 B7
Length Options	1 Meter, 2 Meters, 3 Meters, 12 Feet, Custom Cut
Materials	Carbon Steel, Alloy Steel (B7), Stainless Steel

Concrete Anchors & Expansion Bolts

Providing maximum pull-out resistance for concrete and masonry. Designed for critical loads in commercial construction.

Main Types	Wedge Anchors, Drop-in Anchors, Sleeve Anchors
Substrate	Cracked Concrete, Uncracked Concrete, Solid Brick

Precision Screws (Drywall & Self-Tapping)

From interior drywall finishing to metal roofing, our screws offer rapid penetration and secure holding power.

Main Types	Drywall Screws, Self-Tapping, Self-Drilling (Tek)
Coatings	Black/Grey Phosphate, Zinc, Dacromet, Ruspert

Flat Washers & Spring Lock Washers

Essential for load distribution and preventing loosening. We guarantee consistent thickness and strict dimensional tolerances.

Standards	DIN 125A, DIN 127B, DIN 9021 (Fender)
Finish	Plain, Zinc Plated, HDG

Stainless Steel Fasteners (A2 / A4)

Engineered for severe environments. Our stainless steel product line utilizes genuine austenitic 304 (A2) and 316 (A4) steel.

Material Grades	SS304 (A2-70), SS316 (A4-80), SS316L
Key Features	Anti-corrosion, Non-magnetic (low permeability)

Brass & Copper Fasteners

Specialized fasteners offering excellent electrical conductivity, thermal performance, and spark resistance.

Materials	Solid Brass, Copper, Bronze
Applications	Electrical conductivity, anti-spark zones

Technical Resources

Full Product Catalog
2026 Edition | PDF

Download

Technical Specs
Standard Guide | PDF