It is a type of screw used to connect two parts together. The "M4" refers to the size of the screw, with the "M" indicating it’s a metric screw and "4" meaning the diameter is 4 millimeters. The sleeve part of the screw is a tube-like component that fits over the screw, providing extra support and stability for the connection.

It is a type of screw that is designed to connect two parts together in a single direction. The "M4" refers to its size, with a 4mm diameter, and the "one way" means the screw is only meant to be tightened in one direction, typically preventing it from loosening once it’s installed. This feature makes it useful for applications where a secure, permanent connection is needed, such as in furniture or machinery assembly.

It is a type of screw that is designed to connect two parts together in a single direction. The "M4" refers to its size, with a 4mm diameter, and the "one way" means the screw is only meant to be tightened in one direction, typically preventing it from loosening once it’s installed.

It is a type of screw that is designed to connect two parts together in a single direction. The "M4" refers to its size, with a 4mm diameter, and the "one way" means the screw is only meant to be tightened in one direction, typically preventing it from loosening once it’s installed.

It is a type of screw that is designed to connect two parts together in a single direction. The "M4" refers to its size, with a 4mm diameter, and the "one way" means the screw is only meant to be tightened in one direction, typically preventing it from loosening once it’s installed.

It is a type of screw that is designed to connect two parts together in a single direction. The "M4" refers to its size, with a 4mm diameter, and the "one way" means the screw is only meant to be tightened in one direction, typically preventing it from loosening once it’s installed.