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Full spectrum of industrial fastening solutions | Covering both standard and custom parts

International Standard Certification

High-precision manufacturing process

1-on-1 Customization Service

Full range of products covered

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Hex Socket Head Cap Screw

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Product Overview


 

The Hex Socket Head Cap Screw is an industrial-standard fastener engineered for superior tensile strength, precision, and durability. Its high-performance design and versatile material options make it suitable for demanding applications in multiple industries such as automotive, manufacturing, construction, and heavy machinery.

Technical Specifications


 

Meticulously crafted to meet rigorous industrial requirements, this fastener is available in varied sizes and specifications:

Parameter Details
Standard ISO 4762, DIN 912, ANSI B18.3
Diameter M3 to M24 / 1/8″ to 1″
Length 6mm to 200mm / 1/4″ to 8″
Thread Type Fully Threaded, Partially Threaded
Material Carbon Steel, Stainless Steel, Alloy Steel
Grade 8.8, 10.9, 12.9
Surface Treatment Black Oxide, Zinc Plating, Hot-Dip Galvanization
Head Type Hex Socket Head

Material Options and Characteristics


 

Choose from robust materials tailored to meet application demands:

  • Carbon Steel: Offers high tensile strength and reliability for standard applications.
  • Stainless Steel: Corrosion-resistant solution suitable for outdoor or moisture-prone environments.
  • Alloy Steel: Enhanced strength for heavy-duty operations in mechanical and structural applications.

Surface Finish Options and Corrosion Resistance


 

To ensure optimal performance and longevity, this screw is available with multiple surface treatments:

  • Black Oxide: Provides a classic finish with moderate corrosion resistance.
  • Zinc Plating: Suitable for environments with mild to moderate exposure to moisture.
  • Hot-Dip Galvanization: Offers superior corrosion resistance, ideal for outdoor and heavy industrial use.

Typical Applications and Industries


 

With its robust design, the Hex Socket Head Cap Screw is widely used in industries such as:

  • Automotive Manufacturing
  • Construction
  • Heavy Machinery
  • Renewable Energy

Its high tensile strength and precision make it indispensable for tasks requiring secure fastening in critical assemblies.

Product Advantages and Performance Features


 

Why choose this fastener for your manufacturing or construction projects?

  • High tensile strength assures structural integrity even under extreme loads.
  • Ease of use with hex socket head, ensuring torque consistency during fastening.
  • Custom surface finish options improve adaptability to environmental and operational conditions.

Quality Control and Certifications


 

Each Hex Socket Head Cap Screw is manufactured following ISO 9001 and other relevant standards, ensuring quality, strength, and safety in every piece.

Packaging Information


 

Fasteners are packaged in engineered cartons to prevent damage during shipping. Bulk packaging options and customized labeling are available to meet large-scale industrial requirements.

Customization / OEM Capability


 

We offer customization services tailored to your requirements, including unique dimensions, specific material grades, and special coatings. Our OEM services ensure a bespoke solution for specialized applications.

Ordering Information


 

Please provide the following when placing an inquiry:

  • Required standard (e.g., ISO, DIN, ANSI)
  • Dimensions: Diameter and length
  • Thread type (fully or partially threaded)
  • Material and grade
  • Surface finish preference
  • Packaging requirements
  • Quantity

For additional information or to request a quote, contact us today.

We have a comprehensive product line of fasteners. If you cannot find the product you need, it may not have been updated and listed yet. Please click here to contact our staff for confirmation.

International Standard Certification

Complies with major global standards such as ISO/DIN/GB/ANSI/JIS

Full range of products covered

Standard parts + customized parts, one-stop solution for all your fastening needs

High-precision manufacturing process

Tolerance control far exceeds industry standards, ranging from 4.8 to 12.9 grades.

1-on-1 Customization Service

Customization based on provided drawings/samples/working conditions; rapid prototyping and mass production delivery.

What Our Customers Say

Trusted by global manufacturers for fastener solutions

BrightBuild Hardware Ltd.
BrightBuild Hardware Ltd.
United Kingdom
XZ FASTENER has been a reliable supplier for our construction fastener orders. The bolts and nuts arrived with good surface finish, accurate sizes, and strong packaging. Communication was clear from quotation to shipment.
Andina Industrial Supply S.A.
Andina Industrial Supply S.A.
Colombia
We ordered different sizes of hex bolts, washers, and nuts. XZ FASTENER helped us confirm the specifications and provided a practical shipping solution. The quality was stable and suitable for our local market.
Falcon Engineering Supplies
Falcon Engineering Supplies
United Arab Emirates
XZ FASTENER understands export business very well. They prepared the quotation, packing details, and documents professionally. The products matched our requirements and the delivery was well organized.
Pacific Bolt & Nut Trading
Pacific Bolt & Nut Trading
Philippines
We appreciate their fast response and flexible support. Even though our order included mixed sizes and different surface treatments, XZ FASTENER handled everything carefully. Good partner for wholesale fasteners.
Monterra Hardware Group
Monterra Hardware Group
Mexico
The galvanized fasteners we received were clean, well packed, and consistent in thread quality. XZ FASTENER gave us clear product photos before shipment, which helped us feel confident about the order.
Eastern Mechanical Parts Co.
Eastern Mechanical Parts Co.
Saudi Arabia
We purchased high-strength bolts and nuts for machinery maintenance. The products were strong, accurate, and packed in export cartons. XZ FASTENER is a serious factory supplier.
GlobalFix Distributors
GlobalFix Distributors
South Africa
XZ FASTENER provides competitive pricing without ignoring quality. Their team helped us compare materials, grades, and surface treatments before confirming the order. This saved us time and reduced purchasing risk.
Nova Tools & Fasteners
Nova Tools & Fasteners
Chile
Our customers care about stable quality and good appearance. The fasteners from XZ FASTENER met our expectations. The cartons, labels, and product sorting were also handled professionally.
Delta Construction Supply
Delta Construction Supply
Kenya
We needed fasteners for construction use in several sizes. XZ FASTENER responded quickly and gave practical advice on packing and shipment. The goods arrived in good condition.
Atlas Industrial Trading
Atlas Industrial Trading
Turkey
The product quality was consistent across different batches. Threads were clean, dimensions were accurate, and the surface treatment looked good. We are satisfied with XZ FASTENER’s factory support.
RedRock Hardware Importers
RedRock Hardware Importers
Australia
XZ FASTENER helped us source both standard and customized fasteners. Their team checked drawings carefully and confirmed details before production. This is very important for B2B buyers like us.
PrimeFix
PrimeFix
Canada
We like working with suppliers who communicate clearly. XZ FASTENER gave us photos, weight information, packing details, and shipping suggestions. The whole process was smooth.

Customer Visits & Certificates

Globally Compliant Standards

All XZ products comply with major global industrial standards and are adaptable to the specifications of different countries and regions.

ISO

International Organization for Standardization (ISO) standards

DIN

German Industrial Standards

GB

Chinese National Standards

ANSI

American National Standards

JIS

Japanese Industrial Standards

Application Areas

Mechanical equipment
manufacturing

Automobiles &
New Energy

Rail transit

Aerospace

Petrochemical

Shipbuilding &
Ocean

New energy photovoltaic /
wind power

Electronics &
Electrical

High-end buildings

Special industrial
equipment

XZ Sales Engineer

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