• What are the common types and names of fasteners?

    What are the common types and names of fasteners?

    Bolt: A type of fastener consisting of two parts, a head or a screw (cylinder with external thread), which needs to be matched with a nut to fasten and connect two parts with through holes. This type of connection is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be... read more

    Nov 04,2020 News
  • Knowledge of high-strength fasteners

    Knowledge of high-strength fasteners

    High-strength fasteners are fastener products with mechanical properties of 8.8 (bolts, studs, inner triangular screws), 8 (nuts), and 33H (set screws). The specific mechanical performance levels are bolt feces 8.8, l0.9, l2} nuts 8, 10, 12, and set screws 33H and 45H. The high-strength bolts are ma... read more

    Oct 30,2020 News
  • What are the precautions for using screwdrivers?

    What are the precautions for using screwdrivers?

    1) When using a screwdriver to fasten or remove a live screw, the handle of the screwdriver should be kept dry and clean to prevent leakage during live operation. Do not use the threaded screwdriver, put an insulating tube on the metal rod of the screwdriver, and do not touch the metal rod of the pr... read more

    Oct 23,2020 News
  • What is the difference between screw and threaded connection?

    What is the difference between screw and threaded connection?

    Screw (including bolt) connection and threaded connection are the most widely used detachable connections in precision machinery and instruments. The basic elements of combination screws and threaded connections are threads. The difference is that the screw connection uses connecting parts (screws, ... read more

    Oct 16,2020 News
  • What are the main types of connecting threads?

    What are the main types of connecting threads?

    In precision machinery and instruments, the connecting threads mainly use coarse and fine ordinary threads, and sometimes special fine threads. The difference between coarse thread and fine thread is that when the nominal diameter is the same, the anti-theft screw has a smaller pitch and thread dept... read more

    Oct 10,2020 News