Graco 120279 High-Lo Flat Head Screw #6 x 0.625

Graco 120279 High-Low Flat Head Screw — Overview

The Graco 120279 High-Low Flat Head Screw is designed for secure fastening in Graco GH series sprayers. Its durable construction ensures reliable performance under vibration and high-pressure operation.

Compatible Machines

• Graco GH 130 — reliable fastening for pump and assembly components
• Graco GH 200 — maintains stability under hydraulic pressure
• Graco GH 230 — precise fit for OEM replacement parts
• Graco GH 300 — ensures long-term durability in heavy-duty applications

Key Features & Benefits

• Durable construction: Heat-treated metal resists corrosion and wear
• High-low flat head design: Allows flush mounting while maintaining strong grip
• OEM fit: Designed to match original Graco specifications for GH series
• Vibration resistant: Reduces loosening in high-pressure and dynamic applications
• Easy installation: Compatible with standard tools and fasteners

Applications

This screw is primarily used in pump modules, housing assemblies, and hydraulic components of GH series sprayers, ensuring secure assembly of critical parts under pressure and vibration.

Installation & Maintenance Guidelines

• Ensure the equipment is depressurized before installation.
• Use proper tools to tighten screws without over-torquing.
• Periodically inspect screws in high-vibration areas for loosening or wear.
• Replace screws immediately if signs of stripping, corrosion, or deformation appear.

Frequently Asked Questions