China Stainless Steel Hex Head Bolts M6–M20 | A2-70/A4-80 | High Strength Corrosion-Resistant

Sizes M6–M20 (1/4"–3/4"), price from $0.01 stainless steel hex head bolts from China, corrosion resistant
Product Name: Stainless Steel Hex Head Bolt
Material: 304 A2-70 stainless steel
Certification: ISO 9001
Payment Terms: 30% deposit + 70% against Bill of Lading
$0.01 - $0.05 / piece

FOB Price | 1,000 pieces (Min. Order)

Custom specifications and OEM service available

Supply Ability: 100000 pieces per month
Lead Time: 7-30 days for standard orders
Port: Tianjin,Ningbo,Shanghai

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Product Description

Stainless steel Hex Head bolts are strong, corrosion-resistant fasteners widely used in construction, solar mounting, and machinery. Our hex head bolts, made in China from A2-70 or A4-80 stainless steel, are available in sizes from M6 to M20, with optional Allen or T-head designs. Designed for securing rails, clamps, and connectors, these stainless bolts offer long-term durability in harsh environments. Matching hex nuts, flange nuts, and wing nuts are also available. As a reliable China stainless bolt supplier, we provide custom stainless steel fasteners tailored to meet your specific application needs.

Product Images

A2-70 / A4-80 Stainless Hex Bolts with Matching Nuts for Solar Mounting Systems Stainless Steel Hex Head Bolts A2-70 A4-80 M6-M20 for Solar and Industrial Use

Product Specifications

Parameter Details
Product Name Stainless Steel Hex Head Bolts
Material Premium A2-70 and A4-80 corrosion-resistant stainless steel
Thread Size M6 / M8 / M10 (customizable)
Bolt Type Hex head, Allen head, and T-head bolts
Application Ideal for securing rails, clamps, connectors in solar, construction, and industrial uses
Matching Nuts Compatible flange nuts, wing nuts, and hex nuts
Features High strength, excellent corrosion resistance, durable locking performance
Available Sizes Metric sizes from M6 up to M20, customizable per request

Applications

Stainless steel bolts, including hex head types, are widely used in solar mounting, construction, and industrial machinery. Their corrosion resistance and strength make them perfect for securing rails, clamps, and connectors in demanding outdoor environments.

PV Racking Systems

Used for fastening clamps, rails, and connectors in solar mounting systems. Ensures secure and reliable connections.

Marine Applications

Ideal for coastal solar installations and offshore renewable energy projects. Provides excellent corrosion resistance.

Industrial Equipment

Used in chemical plants, food processing, and other corrosive environments. Offers long-term durability.

Commercial Solar

Perfect for commercial rooftop and ground-mounted solar installations. Provides reliable fastening solutions.

Residential Solar

Ideal for residential rooftop solar systems. Ensures secure mounting for home installations.

Outdoor Structures

Designed for outdoor applications with exposure to weather elements. Maintains integrity in harsh conditions.

ISO Certifications

Certifications

Our products meet international quality standards and certifications:

  • ISO 9001:2015 Quality Management System
  • ISO 14001:2015 Environmental Management
  • DIN 934 / ISO 4032 Standards Compliance
  • ANSI B18.2.2 American Standards
  • Third-party testing and certification
Packaging

Packaging

Professional packaging solutions for safe transportation:

  • 25kg cartons with inner plastic bags
  • Custom branded packaging available
  • Barcode and QR code labeling
  • Moisture-proof and anti-corrosion protection
  • Stackable design for efficient storage

Company Introduction

Welcome to Hebei Zixian Fasteners Co., Ltd. – Your Reliable Manufacturer of Galvanized Fasteners and Solar Mounting Accessories from China!

What we offer:

  • Full in-house production – from raw materials to packaging
  • Solar mid clamps, end clamps, brackets, galvanized bolts & nuts
  • ISO-compliant quality control
  • Competitive pricing & fast delivery
  • OEM & custom fastener solutions for B2B buyers

Contact us today for product catalogs, samples, or quotes:

Frequently Asked Questions

1. What industries commonly use stainless steel hex head bolts?

Stainless steel hex head bolts are frequently used in industries like construction, solar mounting, and machinery assembly. Their corrosion resistance and strength make them suitable for outdoor and harsh environments where reliable fastening is essential.

2. Are thread sizes customizable for your stainless steel bolts?

Yes, we provide customizable thread sizes ranging from M6 to M20, with imperial equivalents from 1/4″ to 3/4″. This range helps B2B customers find the right fit for various applications, whether for standard or specialized projects.

3. What types of nuts can be paired with these stainless bolts?

Our stainless bolts are compatible with several types of nuts, including flange nuts, wing nuts, and hex nuts. These matching nuts are designed to work seamlessly with the bolts, ensuring secure and durable connections in various assemblies.

4. How do material grades like A2-70 and A4-80 affect bolt performance?

Material grades indicate the stainless steel’s corrosion resistance and strength. A4-80 offers higher resistance and is ideal for more demanding environments, such as marine or solar mounting applications, while A2-70 suits general industrial uses.

5. What benefits do hex head bolts offer compared to other bolt types?

Hex head bolts provide excellent grip for tightening tools, making installation easier and more secure. Their robust design and corrosion resistance make them a popular choice for securing rails, clamps, and connectors in construction and industrial settings.


Get in Touch

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Why Choose Us?

  • ✓ 1-on-1 Expert Support – Custom solutions for your specific needs
  • ✓ Factory Tours Available – Verify our quality standards in person
  • ✓ Global Supply Experience – Trusted by clients in 15+ countries

Direct Contact

📞 Phone: +86 156 3038 9170
📧 Email: xzi675763@gmail.com
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