DIN 933 Fully Threaded Hexagon Head Bolt

 DIN 933 fully threaded hexagonal bolts are a widely used fastener. The DIN 933 standard is suitable for thread diameters from M1.6 to M52. The full thread design allows the bolts to be firmly locked on the parts and has excellent anti-loosening properties. At the same time, the entire bolt has threads, which effectively ensures the stability of the fastened connection. This design also allows the bolt to better disperse forces when subjected to load, thereby increasing its overall strength and durability. The DIN 933 standard specifies the material, hardness, tensile strength, tensile strength and other mechanical properties of bolts, as well as heat treatment requirements to meet different environmental and application needs. 

Pictures

Product drawing

Product Specification

Some introduction about our company

Application

Our products are widely used in mechanical, electrical, automotive, building construction, railways, bridges, steamships, fire protection and communication system, etc.

Workshop

Certification

Through scientific management, Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification. In 2017, the laboratory passed the national CNAS certification. In 2018, the company passed the European CE certification.

Testing Equipment

Our company has a specialized laboratory with digital hardness testers, microscopes, universal testing machines, axial force meters, hydrogen embrittlement detection devices, magnetic particle flaw detectors, metallographic analyzers, carbon and sulfur analyzers and salt spray testing machines, etc. Experimental testing equipment is used to conduct comprehensive testing of the chemical composition of raw materials, product hardness, mechanical properties, coating thickness and corrosion resistance to ensure that all products meet standard requirements and satisfy customers.

Production equipment

Our company has more than 300 production equipment.The product production process includes: Annealing, shot blasting, cold heading, thread rolling, heat treatment, galvanizing, finished product testing, packaging, etc. are all completed in the company.

Packing

FAQ

1.What is DIN 933 standard?

DIN 933 is a standard for fully threaded hexagonal head bolts formulated by the German Industrial Standards Association (Deutsches Institut für Normung, referred to as DIN). It specifies in detail the requirements for bolt dimensions, tolerances, materials, performance, etc.

2. How to choose the appropriate DIN 933 hexagon head bolt?

Selecting the appropriate DIN 933 bolt requires consideration of many factors, including the material of the connected parts, the load to be endured, the working environment (such as temperature, humidity, corrosiveness), etc. Customers can make selections based on these requirements, combined with bolt performance levels, materials, surface treatment and other parameters. You can contact our professional sales team and we will recommend and customize the most suitable bolt products according to your needs.

3.What are the surface treatment options for DIN 933 hexagon head bolts?

The surface treatment of DIN 933 bolts usually includes galvanizing, phosphating, blackening, etc. to improve the corrosion resistance and appearance quality of the bolts. Customers can choose the appropriate surface treatment method according to their specific needs.

4. What are the precautions for the installation and use of DIN 933 bolts?

When installing and using DIN 933 bolts, ensure that the bolts and nuts fit well and avoid being too tight or too loose. At the same time, attention should be paid to the tightening torque of the bolts to avoid damage to the bolts caused by over-tightening. In special environments (such as high temperature, low temperature, corrosion, etc.), corresponding protective measures should be taken to ensure the normal use of bolts.

5. How to care and maintain DIN 933 bolts?

Check and maintain bolts regularly to ensure they are in good working order. If the bolts are found to be damaged or worn, they should be replaced in time. During storage and transportation, care should be taken to avoid collision and extrusion of bolts to avoid damage to their threads and surface coating.