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Болт с шестигранной головкой DIN 931, желтый цинк, углеродистая сталь, частично с резьбой

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Product Description

The Болт с шестигранной головкой DIN 931, желтый цинк, углеродистая сталь, частично с резьбой is a standard metric hex bolt designed for reliable fastening in machinery, construction, steel structures, equipment assembly, metal fabrication, and general industrial applications.

This bolt is manufactured from carbon steel and features a hexagonal head, partially threaded shank, and yellow zinc plated surface finish. The hex head allows easy installation with standard wrenches, sockets, or torque tools. The partially threaded design includes a smooth shank section and a threaded end, making it suitable for applications that require stable positioning and strong fastening engagement.

The yellow zinc plating provides a gold-colored protective surface that helps improve corrosion resistance and gives the bolt a recognizable industrial appearance.

Key Features

DIN 931 standard hex head bolt
Carbon steel material
Yellow zinc plated surface finish
Partially threaded design
Hex head for easy wrench installation
Suitable for machinery, construction, steel structure, and industrial fastening
Designed for use with matching nuts and washers
Clean yellow-gold metallic appearance

Product Specifications

Предмет	Спецификация
Product Name	DIN 931 Hex Head Bolt
Стандарт	ДИН 931
Материал	Carbon Steel
Обработка поверхности	Yellow Zinc Plated
Тип головки	Hex Head
Thread Design	Partially Threaded
Тип резьбы	Metric Thread
Body Structure	Smooth Shank + Threaded End
Surface Color	Yellow / Gold Zinc Finish
Приложение	Machinery, Construction, Steel Structure, Equipment Assembly
Fastening Method	Used with Matching Nut or Threaded Hole

Product Structure

Part	Описание
Hex Head	Allows tightening with a wrench, socket, or torque tool
Smooth Shank	Provides accurate positioning and stable support in the assembly
Threaded End	Engages with a nut or internal thread for fastening
Yellow Zinc Layer	Provides surface protection and yellow-gold appearance
Carbon Steel Body	Offers practical strength and durability for industrial use

Material and Surface Treatment

The bolt is made from carbon steel, a widely used material for industrial fasteners. Carbon steel provides good mechanical performance and is suitable for general fastening applications.

The surface is treated with yellow zinc plating, which forms a protective coating on the bolt surface. This finish helps reduce oxidation and provides a yellow-gold appearance.

Материал	Обработка поверхности	Appearance	Main Benefit
Carbon Steel	Yellow Zinc Plated	Yellow / Gold Metallic	Surface protection and improved appearance

Advantages of DIN 931 Partially Threaded Hex Bolts

Advantage	Описание
Standard Design	DIN 931 provides a recognized dimensional standard for partially threaded hex bolts.
Easy Installation	Hex head design is compatible with common installation tools.
Stable Assembly	Smooth shank section helps improve positioning in assembled parts.
Secure Fastening	Threaded end provides reliable engagement with nuts or threaded holes.
Surface Protection	Yellow zinc plating helps protect the carbon steel surface.
Wide Application	Suitable for machinery, construction, equipment, and metal assembly.

Common Applications

DIN 931 yellow zinc plated carbon steel hex bolts are widely used in industrial and construction fastening projects.

Industry	Typical Application
Machinery	Machine frame assembly, equipment fixing, mechanical connection
Construction	Steel brackets, support plates, structural components
Steel Structure	Metal frame connection, beam and plate fastening
Automotive	Brackets, chassis-related components, repair fastening
Industrial Equipment	Installation, maintenance, and heavy-duty assembly
Metal Fabrication	Fabricated parts, welded frames, steel components

DIN 931 vs DIN 933

DIN 931 and DIN 933 are both common hex head bolt standards, but their thread designs are different.

Стандарт	Thread Design	Main Feature
ДИН 931	Partially Threaded	Has a smooth shank section and threaded end
ГОСТ 933	Fully Threaded	Thread runs along the full bolt body

This product is ДИН 931, which means it has a partially threaded structure.

Installation Guide

Step	Recommendation
1. Check Size	Confirm the bolt diameter, length, and thread match the assembly requirement.
2. Prepare Hole	Ensure the hole diameter is suitable for the bolt shank and thread.
3. Match Nut	Use a matching metric nut if the bolt is not installed into a tapped hole.
4. Tighten Properly	Use a suitable wrench, socket, or torque tool.
5. Final Check	Confirm the bolt is seated correctly and the connection is secure.

Matching Fasteners

Matching Item	Function
Hex Nut	Provides threaded locking connection
Шайба плоская	Helps distribute load and protect the surface
Spring Washer	Helps improve resistance to loosening
Bolt-Nut-Washer Set	Provides a complete fastening solution

Часто задаваемые вопросы

1. What is a DIN 931 bolt?

A DIN 931 bolt is a metric hex head bolt with a partially threaded shank. It has a hexagonal head, a smooth shank section, and a threaded end.

2. What is the material of this bolt?

This bolt is made from carbon steel.

3. What is the surface treatment?

The surface treatment is yellow zinc plating.

4. Is this bolt fully threaded?

No. This is a partially threaded bolt. The body includes a smooth shank section and a threaded end.

5. What is the difference between DIN 931 and DIN 933?

DIN 931 is partially threaded. DIN 933 is fully threaded.

6. What tools are used to install this bolt?

It can be installed with a wrench, socket, or torque tool that matches the hex head size.

7. Can this bolt be used with nuts and washers?

Yes. This bolt is commonly used with matching metric nuts and washers.

8. Where is this bolt commonly used?

It is used in machinery, construction, steel structures, equipment assembly, metal fabrication, and general industrial fastening.

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