Comprehensive Overview of Graco 107129 Bolt, Round Head
The Graco 107129 Bolt, Round Head is an OEM-specified fastener engineered for use in high-duty industrial spray, coating, and fluid-handling equipment. Its round-head design offers a flush or low-profile finish, reducing snagging risk and facilitating clean installations in tight machine assemblies.
Compatible Machines
- Graco RoadLazer Line Striper Kit – Model 310664A uses part number 107129 for securing the main base assembly.
- Graco Airless Spray and Pump Systems – Wherever the parts list identifies “Bolt, Round Head – 107129”.
- Graco Heavy-Duty Fluid Delivery Modules – Included in fastener kits for mounting frames or guard assemblies that call for the round-head bolt style 107129.
Key Features
- Round-head profile minimizes protrusion and enhances equipment safety by reducing tripping or interference.
- OEM-certified component ensures fit, thread engagement and grade specification align with Graco’s machinery requirements.
- Durable metal construction suitable for vibration-prone, high-pressure industrial environments.
- Service-friendly fastener enables straightforward replacement during maintenance without modifying other components.
Technical Specifications
| Specification |
Details |
| Part Number |
107129 |
| Component Type |
Bolt, Round Head |
| Typical Application |
Fastening structural, base or guard assemblies in Graco spray/pump systems |
| Dimensions (approx.) |
Height ~0.70 in (1.78 cm); Length ~0.65 in (1.65 cm); Width ~1.05 in (2.67 cm) |
| Material |
High-grade alloy steel—suitable for industrial duty |
| OEM Compatibility |
Genuine Graco replacement part |
Installation & Maintenance Guidelines
- Ensure the system is powered off and all forces (pressure, motion) are relieved before servicing.
- Remove the old bolt and inspect surrounding components and threads for wear or corrosion.
- Install the replacement 107129 bolt correct to the specified torque to ensure structural integrity without warping or distortion.
- During routine maintenance check for loosening, thread damage or head wear—replace immediately if any signs appear to maintain system reliability.
Frequently Asked Questions
It secures key structural elements in Graco spray/pump systems with a flush round-head profile that minimizes interference and ensures safe equipment operation.
Review the equipment’s parts list or exploded view. If “Bolt, Round Head – 107129” is specified, you have the correct fastener.
While the bolt may physically fit other equipment, it is manufactured to Graco’s exacting tolerances and materials. Using generic or mismatched fasteners could compromise system safety or warranty compliance.
Replace the bolt during any major maintenance where structure is disassembled, or if you detect head deformation, thread damage, or loosening—this low-cost component helps prevent larger failures.
Using the genuine Graco 107129 Bolt, Round Head maintains structural integrity, supports safe operation and ensures long-term reliability of your Graco industrial spray, coating and fluid-handling equipment.
