Robust hex bolts for various applications

These hex bolts with hexagonal head are made from class 8.8 steel, ensuring high tensile strength and reliability in a wide range of applications. The fully metric thread runs up to the head, guaranteeing a strong and secure fastening.

Specifications

• Diameter : M4
• Length : 40 mm
• Wrench size : 7 mm
• Head height : 2.8 mm
• Thread specification : Metric, pitch 0.7 mm
• Material : Steel 8.8
• Surface treatment : Electrolytically galvanized
• Standard : DIN 933 / ISO 4017

Advantages of electrolytic galvanization

Electrolytic galvanization provides excellent protection against corrosion, extending the lifespan of the bolts. This makes them suitable for use in environments where moisture and other corrosive elements are present.

Application possibilities

These hex bolts are ideal for connecting and fastening parts in various sectors, including:

• Automotive : Fastening body and engine parts
• Construction : Assembly of metal structures and frames
• Mechanical engineering : Assembly of machines and equipment

Compatibility with other fasteners

For optimal fastening, these hex bolts can be combined with matching nuts and washers, such as:

• Hex nuts DIN 934 : For a strong connection
• Flat washers DIN 125A : For distributing the load and protecting the fastened material
• Spring washers DIN 127B : To prevent loosening due to vibrations

Quality and compliance

These hex bolts comply with DIN 933 and ISO 4017 standards, ensuring consistency in dimensions and quality. The 8.8 grade indicates high tensile strength, suitable for applications where reliability is essential.

Packaging and availability

The hex bolts are supplied in packs of 100 pieces, which is convenient for both small and larger projects. They are immediately available for delivery, so you can quickly get started with your fastening tasks.