• 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
  • How to choose the type of screw connection parts?

    How to choose the type of screw connection parts?

    There are many types of screw connections in precision machinery and instruments. Commonly used are cylinder head anti-theft screws, spherical cylinder head screws, and countersunk screws. Cylinder head screws are one of the most widely used screws. Enlarging the diameter of the screw head can incre... read more

    Sep 29,2020 News
  • What are the terms of self-tapping screw connection strength?

    What are the terms of self-tapping screw connection strength?

    Terminology of self-tapping screw connection strength (1) Screw-in torque The screwing torque is the torque required to screw the screw into the threaded bottom hole of the pillar to form a matching thread within the required screwing length. It consists of two parts, namely friction (this is the ma... read more

    Sep 24,2020 News