Bolt DIN 933 M8x28 A4

Overview

DIN 933 A4-70 Hexagon head bolt with full thread is a reliable fastener with a hexagonal head shape and a thread that extends from the base to the end of the shaft. Made of A4-70 stainless steel, this bolt offers high corrosion resistance and strength, making it ideal for use in aggressive environments. Its strength characteristics allow it to withstand significant loads, making it suitable for a variety of industrial and construction applications where reliability and durability of connections are important.

Technical specifications

Technical specifications of DIN 933 A4-70 hexagon head fully threaded bolt:

• Standard: DIN 933, equivalent to ISO 4017
• Material: A4 stainless steel, which provides high corrosion resistance
• Strength class: 70, indicating good mechanical strength
• Diameters: options available from M6 to M20
• Lengths: standard options from approximately 10 mm to 200 mm, depending on the selected diameter
• Thread pitch: metric thread with typical pitches of 1; 1.25; 1.5 mm for diameters M6–M12 and larger, in accordance with the standard
• Coating: uncoated, suitable for use in aggressive environments where corrosion resistance is required.

Analogs

Analogs of DIN 933 A4-70:

• ISO 4017 - a fully compliant standard with a hexagonal head and full metric thread, having similar characteristics.
• GOST 7798-70 - Ukrainian standard, analogous to DIN 933 A4-70 and ISO 4017.
• GOST 7805-70 - another GOST variant with technical parameters close to DIN 933 A4-70, with minor differences in wrench size, diameter, and thread pitch.
• DIN 558 - also considered an analogue of DIN 933 A4-70, PN 82105 and ISO 4017; has some differences in accuracy class, for example, C, or in shape parameters, but in general can be used in many of the same areas.

Areas of application

The DIN 933 A4-70 hexagon head bolt with full thread is an important element in various industries, particularly in mechanical engineering and equipment manufacturing. It is used in the assembly of various structures, such as housings, brackets, and other metal parts. In the construction sector, this bolt is used to connect metal structures, frames, formwork, and trusses. In the automotive industry, it is used to secure subframes, engine brackets, and suspension components. In addition, the DIN 933 A4-70 bolt is also used in the energy and electrical engineering industries for mounting shields, supports, and fastening insulators. Thanks to its full thread, this bolt allows for adjustment and changes in the length of the connection, making it a versatile tool for various mounting tasks.

Questions and Answers

Is it profitable to buy

Buying a DIN 933 A4-70 hexagon head fully threaded bolt is an excellent choice for those who need high corrosion resistance and reliability. Our range includes a variety of diameters from M2 to M72, as well as different finishes, including stainless steel. This allows you to select the ideal bolt for your specific operating conditions. Choosing the A4-70 strength standard ensures that you receive a product capable of withstanding significant loads.

Where it is used

DIN 933 A4-70 hexagon head bolts with full thread are used in: the construction industry - for connecting metal structures, frames, and mounting elements; in mechanical engineering - in the assembly of housings, brackets, and connections; in industrial enterprises - for fastening equipment, supports, and in combination with washers and nuts.