Cummins
Hexagon head cap screw for Cummins engines
This hexagon head cap screw is designed for use in various Cummins engine assemblies. It provides a secure, removable mechanical connection for mounting covers, brackets, and auxiliary components.
Specifications
- Part number
- S 125
- Brand
- Cummins
The S 125 hexagon head cap screw serves as a standard mechanical fastener within Cummins engine systems. It is engineered to join and secure various components, providing a connection capable of withstanding operational tension and shear forces. The hexagonal head design allows for installation and removal using standard wrenches or socket tools, which simplifies maintenance procedures when accessing internal or external engine assemblies.
This component is compatible with a wide range of Cummins diesel and gas engines utilized in heavy equipment, including industrial cranes, construction machinery, and power generation units. It is commonly employed to secure items such as engine covers, mounting brackets, and intake or exhaust manifolds. Proper installation using the specified torque values is necessary to maintain the structural integrity of the assembly and to prevent the loosening of components during engine operation.
Hexagon head screws function as the primary means of maintaining the mechanical alignment of engine parts. By providing a high-strength clamping force, these fasteners ensure that mating surfaces remain sealed and that auxiliary systems stay correctly positioned despite the thermal and mechanical loads inherent in heavy-duty engine environments.

