Concave end tightening

Hexagon concave end tightening, also called hexagon concave end machine, headless, hexagon groove, need to be installed with a corresponding size hexagon wrench or sleeve, headless design can make the connector more beautiful.

Hexagon concave end tightening is generally used to fix the shaft end, and is mostly used with hexagon convex pins, which can provide stronger fastening effect and avoid loosening of connectors, and is suitable for parts with greater hardness or workpieces that need to be adjusted frequently, and is widely used in various mechanical equipment, automobiles, bicycles and other fields.

The hexagon groove is designed to allow the tool to hold the screw more firmly, providing a better grip.