Classification and model of construction fasteners

Connecting fasteners belong to the field of construction machinery parts. This construction fastener is composed of two sub-fasteners. In each sub-fastener, the small end of the lower fastener is connected with a joint bolt, and the big end is connected with the upper fastener with a notch and thrust surface. Two sub-fasteners The pieces are connected by rolling and riveting, and rotate at any angle. This type of construction fastener has substantial characteristics and significant progress, which reduces the number of parts and reduces the cost of the fastener. Moreover, because the thickness of the flanging of its own material is greater than that of the hollow rivet, the tensile strength is increased, and the torque rigidity is greatly improved.

The advantages of connecting fasteners, cross fasteners, rotating fasteners

　　1. Construction fasteners have safety advantages, quality advantages, and brand advantages. The rental of fasteners saves worry and effort, and the rental income exceeds the rental of inferior iron fasteners.

　　2. Strong anti-skid performance: It ensures that the steel pipe and the fastener are in the state of the joint surface, and the joint area is large, which overcomes the shortcomings of the cast iron fastener and the steel pipe in point or line bonding, and eliminates the hidden danger of the steel pipe slipping. (Guide: Mold Management Skills)

　　3. Strong anti-deformation ability: Compared with ordinary steel plate stamping fasteners, due to the different production process, it breaks through the traditional stamping process to the material thickness (the stamping process can only reach the thickness limit of 3.5 mm, in the actual use process In this case, it has reached the limit of 5mm due to insufficient strength and easy to deform), which can completely ensure that it will not deform during use, thus ensuring the safety and repeated effective use of the product.

　　4. Convenient maintenance: Because the product itself is not easy to rust and damage, it is easy to maintain after use, which reduces the difficulty of maintenance and saves maintenance costs.

　　5. Strong anti-corrosion ability: The whole piece is passivated and galvanized double anti-corrosion treatment, its anti-corrosion ability is greatly improved, and the service life is long, far exceeding the service life of cast iron fasteners.

　　6. Strong anti-falling ability: The new type of connection and the new type of nut ensure that the fastener can always be fixed vertically and firmly when the steel pipe is deformed, eliminating the possibility of the steel pipe slipping off.

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