Uxcell Ball Point Set Screws M4 x 6mm High Carbon Steel Metric Spring Hex Socket Grub Screw 20 Pack

Uxcell Ball Point Set Screws M4 x 6mm High Carbon Steel Metric Spring Hex Socket Grub Screw 20 Pack Made of high carbon steel with high strength high hardness and wear resistance. Hexagon socket drive uniform force good locking effect not easy to slip. Compact size and concealed installation. The ball point set screw is composed of spring ball plunger and shell. It is mainly used to fix on mechanical equipment that does not require protruding ends. The ball point set screw is slightly elastic allowing slight adjustments without loosening the screws reducing surface wear. Even if the load is unbalanced the internal spring can receive the load evenly. When two non-parallel surfaces or materials need to be firmly clamped together a ball point set screw is useful. It is mainly used in fixtures and machinery for fixing and positioning workpieces.