

PowrLiner part 759-107 is a hexagonal screw used to secure components on PowrLiner 550 and 800 pavement marking sprayers. It provides reliable fastening for covers, brackets, or adjustment mechanisms. Replacing a worn or damaged hexagonal screw ensures proper assembly and prevents loosening during operation.
| Part Number | 759-107 |
|---|---|
| Part Description | Hexagonal Screw |
| Brand | PowrLiner |
| Fits | PowrLiner 550, 800 |
| Condition | New |
The Titan 759-107 Hexagonal Screw is a critical fastener used in PowrLiner 550 and 800 series pavement marking equipment. It is designed to secure various components such as access covers, mounting brackets, and adjustment assemblies. Manufactured from high‑strength steel with a corrosion‑resistant finish, it provides reliable clamping force in demanding road‑marking environments.
Vibration, repeated adjustments, and exposure to road debris can cause screws to loosen, wear, or corrode over time. A missing or damaged hexagonal screw may lead to component misalignment, increased wear, or unsafe operating conditions. Replacing it with an OEM‑spec screw restores original fit and clamping integrity.
| Secure fastening | Holds covers, brackets, and adjustments firmly in place |
|---|---|
| Vibration resistance | Precision threads resist loosening under machine operation |
| Corrosion protection | Coated finish withstands road chemicals and moisture |
| Stripped threads | Screw no longer grips or turns freely |
|---|---|
| Corrosion / rust | Surface deterioration weakens the fastener |
| Head damage | Hex socket or external hex rounded, preventing tool engagement |
| Missing screw | Component loose or detached due to loss |
Titan part 759-107 is compatible with the following PowrLiner models. Always confirm fitment using the correct parts diagram for your exact machine and revision.
| Model | Component |
|---|---|
| PowrLiner 550 | Hexagonal Screw |
| PowrLiner 800 | Hexagonal Screw |
When replacing a hexagonal screw, inspect these associated components to ensure complete assembly integrity.
Washers distribute load and prevent loosening; replace if deformed.
Damaged threads can compromise screw clamping force.
Check for cracks or deformation around mounting holes.