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Stainless Steel 304 Hex Head Cap Screws M2-M36 | DIN933 Metric Bolts | Corrosion-Resistant Fasteners

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Product Description

Product Overview

These Stainless Steel 304 Hex Head Cap Screws are precision-engineered metric bolts designed for a wide range of industrial, mechanical, and DIY applications. Made from premium 304 stainless steel, they offer excellent corrosion resistance, durability, and long-lasting performance in both indoor and outdoor environments. Compliant with DIN933 standards, these hex bolts feature a fully threaded shank and a hexagonal head for secure fastening with wrenches or socket tools. Available in sizes M2 to M36, this versatile set meets diverse assembly requirements.


Key Features

  • Premium Material: Constructed from high-quality 304 stainless steel for corrosion resistance and durability.
  • DIN933 Standard: Ensures consistent dimensions, high strength, and reliable performance.
  • Metric Sizes M2–M36: Wide range of sizes suitable for small to heavy-duty applications.
  • Hex Head Design: Allows easy tightening with standard wrenches, spanners, or socket sets.
  • Versatile Use: Ideal for machinery, construction, electronics, automotive, and DIY projects.

Specifications Table

Specification Details
Material Stainless Steel 304
Thread Type Metric, Fully Threaded
Standard DIN933
Bolt Head Type Hexagonal
Size Range M2 – M36
Surface Finish Polished / Corrosion-Resistant
Recommended Tools Wrench, Socket, Spanner, Torque Wrench
Applications Industrial, Mechanical, Construction, DIY, Automotive

Applications

  1. Industrial Machinery: Secure components in machines, tools, and factory equipment.
  2. Construction & Engineering: Used in structural assemblies and heavy-duty projects.
  3. Automotive: Engine, chassis, and mechanical assembly applications.
  4. Electronics & DIY Projects: Panel mounting, custom fixtures, and hobby projects.
  5. Outdoor Use: Resistant to rust and corrosion, suitable for marine and outdoor equipment.

FAQ (Frequently Asked Questions)

Q1: What makes 304 stainless steel bolts different?
A1: 304 stainless steel provides excellent corrosion resistance, durability, and strength, making it suitable for both indoor and outdoor applications.

Q2: What is DIN933?
A2: DIN933 is a German standard specifying fully threaded hex head bolts with precise dimensional requirements, ensuring consistency and reliability.

Q3: Are these bolts compatible with standard nuts?
A3: Yes, these bolts work with corresponding metric nuts of the same size (M2–M36) for secure fastening.

Q4: Can these bolts be used in marine environments?
A4: Yes, 304 stainless steel offers good resistance to rust and corrosion, making it suitable for outdoor and moderately saline environments.

Q5: How do I choose the right size?
A5: Select the bolt diameter and length according to your assembly requirements. The M2–M36 range ensures coverage for both small and large applications.

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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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