Graco 107139 Bolt Round Head

Comprehensive Overview of Graco 107129 Bolt, Round Head

The Graco 107129 Bolt, Round Head is an OEM fastener engineered for high-duty industrial spray, coating and fluid-handling equipment. Its round-head design offers a clean, smooth profile, reducing snag risks and ensuring flush installation in machine assemblies.

Compatible Machines

• Graco RoadLazer line-striping kits and accessories where the parts list specifies part number 107129 for securing base or mounting assemblies.
• Graco high-pressure airless spray and pump systems when the replacement fastener is listed as “Bolt, Round Head – 107129”.
• Graco industrial fluid-delivery modules and pump platforms where mounting brackets or guard assemblies require a round-head bolt compatible with 107129.

Key Features

• Round-head profile gives a low-profile finish so machine surfaces remain flush and operator safe.
• OEM-certified specification ensures correct thread size, grade, and material for Graco equipment requirements.
• Heavy-duty construction built to resist vibration, stress and frequent maintenance cycles typical of industrial environments.
• Easy replacement — quick to install and service without altering machine assemblies, helping reduce downtime.

Technical Specifications

Specification	Details
Part Number	107129
Component Type	Bolt, Round Head
Typical Application	Fastening structural, mounting or guard assemblies in Graco spray/pump systems
Material	Alloy or stainless steel (industrial grade) suited to heavy-duty usage
OEM Compatibility	Genuine Graco replacement part

Installation & Maintenance Guidelines

• Power down and relieve any pressure or movement before removing or installing the bolt.
• Inspect the mounting area, threads and contact surfaces for wear, damage or corrosion before installing the new bolt.
• Install the bolt to the proper torque specification to ensure secure retention without distortion of the mounting assembly.
• During regular maintenance, check for signs of loosening, head deformation, thread wear or corrosion — replace immediately if any defects are found.

Frequently Asked Questions

What is the purpose of the 107129 Bolt, Round Head?

It secures critical structural or mounting components in Graco spray, coating or fluid-handling machines, offering a flush finish and reliable retention.

How do I verify if my machine uses part number 107129?

Review the machine's parts diagram or service manual. If the component is listed as “Bolt, Round Head – 107129”, then this is the correct replacement.

Can this bolt be used in non-Graco equipment?

While the bolt may physically fit other assemblies, it is manufactured to Graco’s precise material, thread and grade standards. Using a non-specified fastener may affect reliability or warranty.

When should this bolt be replaced?

Replace it during disassembly for major maintenance or if you detect head wear, stripped threads, loosening or corrosion — preventing failures in critical systems.

Using the genuine Graco 107129 Bolt, Round Head ensures structural integrity, safe operation and long-term reliability for your Graco spray, coating and fluid-handling equipment.