Graco 120092 Hex Washer Head Screw 1/4-20 x 2.5

Graco 120092 Hex Washer Screw Overview

Compatible Machines

• Graco Ultra Max 795
• Graco ProXChange PFX Series
• Graco HVLP ProMix 2K
• Graco Hydraulic Diaphragm Pumps
• Graco Piston-Style Airless Sprayers

Product Description

The Graco 120092 Hex Washer Head Screw 1/4-20 x 2.5 is a precision fastener designed for high-pressure airless sprayer assemblies. It delivers secure torque control, corrosion resistance, and optimized thread engagement in aluminum manifolds and pump modules.

• Thread Size: 1/4-20
• Length: 2.5 inches
• Material: High-strength alloy steel with zinc phosphate coating
• Hex Washer Head: Provides uniform clamping and vibration resistance
• Thread-Forming Design: Creates durable mating threads in aluminum housings

Key Features

• Hardened steel construction for lasting strength
• Precision thread-forming for die-cast aluminum surfaces
• Optimal torque distribution via hex washer head
• Corrosion-resistant finish for long-term reliability
• Supports high-pressure filtration and pump assemblies

Installation & Maintenance Tips

• Apply 7–9 in-lb torque during installation
• Use anti-seize compound selectively to preserve thread-forming properties
• Inspect and re-torque at scheduled maintenance intervals
• Ensure washer head seats flush to distribute clamping forces evenly

Frequently Asked Questions