Graco 120229 Hex Washer Head Screw 5/16-18 x 3

Graco 120229 Screw Hex Washer HD 5/16-18 x 3 — Product Overview

The Graco 120229 Screw Hex Washer HD 5/16-18 x 3 is a robust hex washer head screw designed for reliable fastening in Graco spray equipment. It ensures secure assembly under high-pressure and high-vibration conditions.

Compatible Machines

• Graco GH 130 — used in pump modules and manifold connections
• Graco GH 200 — secures valve bodies and pump assemblies
• Graco GH 230 — provides stable fastening for internal components
• Graco GH 300 — ensures component alignment in high-pressure systems

Key Features & Benefits

• Durable construction: Heat-treated steel resists wear and corrosion
• Hex washer head: Provides strong, even load distribution and prevents loosening
• OEM precision: Exact fit for Graco equipment models
• Reliable fastening: Maintains assembly integrity under vibration and pressure
• Easy maintenance: Simple to install or remove with standard tools

Applications

Commonly used in Graco pump assemblies, valve bodies, and manifold connections, the 120229 screw keeps critical components securely fastened and aligned during operation.

Installation & Maintenance Tips

• Use the correct hex wrench to prevent damage to the head.
• Follow Graco torque specifications to avoid overtightening.
• Inspect periodically for wear, stripping, or corrosion.
• Replace immediately if any damage is detected to maintain equipment safety and performance.

Frequently Asked Questions