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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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Stainless Steel 304 Fine Pitch Hex Head Bolts | Precision Metric Thread Fasteners | Corrosion-Resistant Hardware

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Product Description

Product Overview

These Stainless Steel 304 Fine Pitch Hex Head Bolts are engineered for applications requiring high precision and secure fastening. Made from premium 304 stainless steel, these bolts provide excellent corrosion resistance, durability, and long-lasting performance in both indoor and outdoor environments. The fine pitch threading allows for precise adjustments and stronger hold in assemblies where vibration resistance and tight tolerance are critical. Ideal for mechanical, electronic, and industrial applications, these bolts combine reliability with precision.


Key Features

  • Premium Material: Made from 304 stainless steel, offering high corrosion resistance and durability.
  • Fine Pitch Threads: Provide better clamping force, precision, and vibration resistance compared to standard threads.
  • Hex Head Design: Easy to install using standard wrenches, spanners, or socket tools.
  • Precision Fastening: Ideal for applications requiring accurate alignment and tight assembly.
  • Versatile Use: Suitable for machinery, electronics, automotive, and DIY projects.

Specifications Table

Specification Details
Material Stainless Steel 304
Thread Type Fine Pitch Metric Thread
Bolt Head Type Hexagonal
Surface Finish Polished / Corrosion-Resistant
Sizes Available Metric (various diameters and lengths)
Recommended Tools Wrench, Socket, Torque Wrench
Applications Industrial, Mechanical, Electronics, Automotive, DIY

Applications

  1. Mechanical Equipment: Fine adjustments in machinery where vibration resistance is essential.
  2. Electronics: Precise fastening for panels, enclosures, and sensitive devices.
  3. Automotive & Aerospace: Components requiring high precision and secure hold.
  4. DIY Projects: Model building, woodworking, or metalworking where fine-thread bolts are preferred.
  5. Outdoor Use: Resistant to corrosion, suitable for marine and outdoor installations.

FAQ (Frequently Asked Questions)

Q1: What are fine pitch bolts and why use them?
A1: Fine pitch bolts have threads that are closer together than standard threads, offering higher clamping force, precise adjustment, and better resistance to loosening from vibration.

Q2: Can these bolts be used in outdoor or marine environments?
A2: Yes, 304 stainless steel is corrosion-resistant and suitable for outdoor, marine, and humid environments.

Q3: Are these compatible with standard nuts?
A3: Fine pitch bolts require matching fine-thread metric nuts for proper fastening.

Q4: How should I install these hex head bolts?
A4: Use a wrench or socket tool and tighten to the recommended torque. Fine pitch threads are sensitive to over-tightening, so follow torque guidelines.

Q5: What makes 304 stainless steel suitable for precision bolts?
A5: 304 stainless steel combines strength, corrosion resistance, and durability, ensuring precise, long-lasting performance in critical assemblies.

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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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