P&H
Lock washer for P&H 670 WLC
This lock washer is designed for use in P&H 670 WLC and 790BTC cranes. It serves as a fastener component to maintain the security of bolted connections.
Specifications
- Part number
- 18Z1D12
- Brand
- P&H
The lock washer, part number 18Z1D12, functions as a mechanical fastener within P&H heavy machinery. Its primary role is to provide resistance against the loosening of nuts and bolts that occurs due to the vibrations, impacts, and dynamic loads encountered during crane operation. By maintaining tension in the joint, this component helps ensure that assemblies remain securely fastened and that structural integrity is preserved throughout the machine. It is a standard element used in various fastening points across the equipment to prevent hardware from backing off under load.
This specific component is compatible with P&H 670 WLC crawler cranes and 790BTC truck cranes. It is utilized in critical areas such as structural joints, powertrain mounts, and undercarriage assemblies where consistent vibration is present. Proper installation of this washer is necessary to prevent the misalignment of components or the potential loosening of critical fasteners during service.
Lock washers of this type are engineered to create a locking force when compressed between the fastener head and the mounting surface. They are used in mechanical systems to secure bolted connections, ensuring that the assembly remains tight despite the operational stresses typical of heavy lifting equipment.

