Bolt DIN 931 M20x130 12,9 zinc flake

Overview

The bolt complies with DIN 931 and has a hexagonal head and partial thread, which ensures reliable fastening in various structures. This type of bolt has a strength class of 12.9, which indicates high mechanical stability and resistance to loads. Diameters range from M6 to M30, and the thread pitch complies with metric standards, making it a versatile solution for a wide range of applications. The partial thread allows the smooth part of the shank to be used to optimise installation, reducing friction and increasing fastening efficiency. DIN 931 bolts are ideal for structures where high strength and precision connections are important.

Technical specifications

Technical specifications for DIN 931 12.9 hexagon head bolts with partial thread:

• Nominal diameters: M8 – M30 mm.
• Thread pitch: standard metric, such as M8-1.25; M10-1.5; M12-1.75; M16-2; M20-2.5 and others.
• Thread length: for bolts with a length L up to 125 mm - approximately 20-35 mm, for L from 125 to 200 mm and more - in accordance with the standard.
• Strength class: 12.9, which provides high resistance to loads and deformations, suitable for use in conditions with increased requirements.
• Coating: zinc plate

Analogues

DIN 931 12.9 bolts with hexagonal heads and partial threads are an excellent choice for ensuring reliable connections in various structures. This type of bolt is made of high-strength steel grade 12.9, which guarantees their durability and ability to withstand significant loads.

Key features of DIN 931 12.9:

• High strength: grade 12.9 ensures reliability in critical operating conditions.
• Partially threaded: allows for optimal connection, reducing the risk of loosening.
• Hexagonal head: ensures easy installation and removal using standard tools.

Equivalents for DIN 931:

• GOST 7798-70 - complies with DIN 931, has the same head configuration and partial metric thread.
• ISO 4014 - an international standard that fully complies with DIN 931 in terms of shape, thread, diameters and lengths.

Areas of application

The DIN 931 12.9 bolt with a hexagonal head and partial thread is a high-performance fastener that is distinguished by its strength and reliability. Its main characteristics:

• Made of high-strength 12.9 grade steel, which provides significant resistance to mechanical loads.
• Partial threading allows for optimal connection, which is especially important in cases where it is necessary to ensure a secure fastening without the risk of loosening the structure.
• Available in diameters from M12 to M24 and lengths from 40 to 200 mm, making it versatile for a variety of applications.

Areas of application for DIN 931 12.9 bolts:

• In construction - for connecting structures, including supports, beams and trusses, where it is important to have a reliable connection with a partial thread.
• In mechanical engineering - in structures subject to dynamic loads, such as brackets, mechanisms and housing elements.
• In aggressive environments - thanks to the possibility of using galvanised steel, which increases corrosion resistance, the bolts are ideal for outdoor work or in conditions of high humidity.

Questions and Answers

Is it profitable to buy

The DIN 931 12.9 zinc-plated bolt with a hexagonal head and partial thread is the ideal choice for those looking for high strength and reliability. This bolt is made of high-strength steel, which ensures its resistance to mechanical stress, and its strength class of 12.9 guarantees high performance in difficult operating conditions. Available in diameters from M6 to M36 and lengths up to 300 mm, it is suitable for a wide range of applications. The zinc coating provides additional protection against corrosion, making it the ideal choice for outdoor work or in high humidity conditions. So, when you choose the DIN 931 12.9 bolt, you get a reliable and durable fastener that meets the highest quality standards.

Where it is used

The DIN 931 12.9 zinc-plated bolt with a hexagonal head and partial thread is the ideal solution for a variety of engineering tasks. It is widely used in construction projects for reliable connection of metal structures, as well as in mechanical engineering for elements that are subject to high mechanical loads. In industry, this bolt is used to fasten equipment and support structures.

This bolt is manufactured in diameters from M6 to M36 and has a length of up to 300 mm, which provides flexibility in use in various conditions. Strength class 12.9 guarantees high resistance to breakage and deformation, making it suitable for critical connections. The zinc coating provides protection against corrosion, extending the service life of the product in aggressive environments.