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Home / Fastening / Bolts / Hexagon head Bolts / DIN 931 hexagon head Bolt with partial thread / DIN 931 8,8 hex Bolt with partial thread

DIN 931 8,8 hex Bolt with partial thread

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Technical characteristics

DIN 931 8,8 hex Bolt with partial thread
DIN 931 8,8 hex Bolt with partial thread креслення
DIN 931 8,8 hex Bolt with partial thread Dinmark
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Overview

The DIN 931 bolt has a hexagonal head and a partial metric thread that covers only part of the shank, leaving a smooth shank to ensure stability of the connection. It complies with strength class 8.8, which ensures high mechanical reliability and durability. The diameters of these bolts range from M6 to M36 and above, with a corresponding thread pitch that complies with metric system standards. DIN 931 bolts are ideal for applications where friction must be minimized or precision is required in connections, such as in mechanisms where stable positioning of components is important.

Technical specifications

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

  • Nominal diameters: M1.6 – M39 mm.
  • Thread pitch: standard metric, such as M3-0.5; M4-0.7; M5-0.8; M6-1.0; M8-1.25; M10-1.5; M12-1.75 and others.
  • Threaded part length: for bolts with a length of L ≤ 125 mm - approximately 16-30 mm; for L between 125-200 mm and above - in accordance with the standard.
  • Strength class: 8.8
  • Coating: uncoated

Analogues

DIN 931 8.8 is a hexagon head bolt with partial thread, widely used in various industries due to its strength and reliability. This standard specifies the use of grade 8.8 steel, which provides high mechanical strength and resistance to loads.

Main characteristics of DIN 931 8.8:

  • Material: high-quality carbon steel that meets the requirements of strength class 8.8.
  • Partial thread: ensures optimal contact with the material and reduces the risk of damage during installation.
  • Hexagonal head: allows the use of standard tools for tightening, which increases convenience and speed of work.
  • Corrosion resistance: coating is possible, which increases durability and protects against corrosion.

 

Equivalents for DIN 931:

  • GOST 7798-70 - corresponds to DIN 931, has a similar head type and partial metric thread.
  • GOST 7805-70 - also equivalent to DIN 931 / ISO 4014.
  • ISO 4014 - international standard that fully complies with the shape, thread, diameters, and lengths of DIN 931.

Areas of application

The DIN 931 bolt with a hexagonal head and partial thread has a wide range of applications due to its unique characteristics.

  • In construction, this bolt is used to connect metal structures, supports, and trusses where partial threading is required to achieve a secure fit on the smooth part. Available diameters range from M12 to M24, and lengths from 40 to 200 mm, allowing adaptation to different projects.
  • In mechanical engineering, DIN 931 bolts are ideal for use in joints, brackets, and housing elements, particularly in structures subject to vibration loads, ensuring stability and strength.
  • In environments with aggressive atmospheres.

 

DIN 931 bolts combine reliability and versatility, making them indispensable in many industries.

Questions and Answers

Is it worth buying

The DIN 931 hexagon head bolt with partial thread is the ideal choice for those looking for a combination of reliability and functionality. This product is available in diameters from M6 to M36 and can be up to 300 mm long. Its strength class of 8.8 provides sufficient resistance under load, making it suitable for a variety of applications, including construction and mechanical engineering.

 

Where it is used

The DIN 931 hexagon head bolt with partial thread is a reliable fastener that is widely used in various industries. This bolt is ideal for connecting metal structures in construction, as well as for use in mechanical engineering where high strength is required. Thanks to its design, it ensures stability and reliability of connections under heavy loads. Available diameters range from M6 to M36, and lengths can reach up to 300 mm. Bolts of strength class 8.8 have excellent resistance to deformation, making them ideal for use in industrial and mechanical systems.

DIN 931 8,8 hex Bolt with partial thread pdfDownload PDF
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DIN 931 8,8 hex Bolt with partial thread
DIN 931 8,8 hex Bolt with partial thread креслення
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Specifications
Fastening groupHigh-strength fastening
StandardDIN 931ГОСТ 7798-70
OEM numbers133220 Claas235541 Claas233094 Claas237340 Claas235540 Claas368083 Claas237341 Claas215923 Claas235509 Claas040787 Geringhoff040681 Geringhoff235519 Claas040613 Geringhoff215459 Claas235554 Claas040695 Geringhoff211359 Claas215455 Claas216303 Claas215708 Claas040742 Geringhoff235553 Claas233437 Claas239420 Claas215527 Claas239412 Claas216407 Claas216190 Claas235535 Claas19M7935 John Deere040493 Geringhoff040726 Geringhoff218678 Claas242795 Claas238981 Claas233434 Claas235521 Claas235526 Claas237844 Claas235555 Claas235556 Claas216382 Claas242394 Claas235533 Claas237820 Claas235543 Claas216191 Claas242411 Claas233572 Claas235538 Сlaas235542 Claas235561 Claas235563 Claas211403 Claas237339 Claas237393 Claas242912 Claas
MaterialStal
Strength class8.8
CoatingUncovered
Diameter, mm34567810121416182022242730333639424548525664
Length, mm253035404550556065707580859095100105110115120125130135140145150160170180190200210220230240250260270280290300310320330340350360370380390400410420430440450460480500520540560580600640
Packaging, pcs.1451025303550100200500
HeadHexagonal
Type of carvingPartially
Thread typeMetric
Threading step, mm0.50.70.811.251.51.7522.533.544.555.56
Turnkey size, mm5.57810111317192224273032364146505560657075808595
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