China A2 70 Hex Nut DIN934 Plain Polish Manufacturer, Supplier, Factory

A carriage bolt, as per ASME (American Society of Mechanical Engineers) standards, is a type of fastener. ASME Zinc Plated Carriage Bolt has a round head with a slightly countersunk underside, which allows it to sit flush or nearly flush on the surface when tightened. The shank of the carriage bolt is smooth and cylindrical, and it is designed to pass through holes in the materials being joined.

Zinc Plated DIN6334 Hex Coupling Nut is designed in a hexagonal shape, which provides a good grip and allows for easy tightening and loosening with common tools like wrenches. The specific dimensions of the nut are standardized according to DIN6334, ensuring compatibility and interchangeability with other components in a mechanical assembly.

This DIN7981 SS Self Tapping Screw is designed to create its own thread when it is screwed into a workpiece, typically in materials like plastic, sheet metal, or thin-walled components.

The A36 Timber Bolt Plain with Oil is of a plain type and has been treated with oil. It is designed for use in timber applications, providing a reliable fastening solution. The "plain" characteristic indicates that it has a smooth surface finish without any additional complex coatings or textures. The application of oil likely serves to protect the bolt from environmental factors such as moisture and mild corrosion, enhancing its durability and lifespan when in contact with timber materials. This type of A36 timber bolt, with its oil-treated plain surface, offers a combination of functionality and protection suitable for various timber construction and assembly tasks.

The 8.8 Grade T Head Bolt is designed in a T-shape, which provides a larger contact surface and better stability when installed. This type of bolt is commonly used in various mechanical and structural applications where a reliable and strong fastening is required. It can withstand high loads and is suitable for joining components together securely. The 8.8 grade T-head bolt is made of high-quality steel and usually undergoes heat treatment and surface treatment processes to improve its strength, durability, and resistance to corrosion.

The SS304 hex flange nut plain is a high - quality fastener made of stainless steel 304 material. It features a hexagonal shape with a flange, which provides a larger bearing surface and better stability when used in various applications.