Graco 120088 Hex Head Screw 3/8-16 x 4
$10.70
In Stock
Essential replacement part for Graco airless sprayers, designed for durability and secure fit.
- Part Number: 120088
- Thread Size: 3/8-16 UNC
- Length: 4 inches
- Material: Grade 8 steel with zinc phosphate plating
- Compatible With: Graco Ultra Max II, King 395, Magnum ProX19
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 120088 Hex Screw Overview
Compatible Machines
- Graco Ultra Max II 695
- Graco Ultra Max II 595
- Graco King 395
- Graco Mark V ProContractor
- Graco Magnum ProX19
Product Description
The Graco 120088 Screw Hex 3/8-16 x 4 is a precision-engineered replacement designed for high-pressure airless sprayer assemblies. Manufactured to OEM standards, this screw ensures reliable thread engagement, consistent clamp force, and long-lasting performance in demanding fluid handling environments.
- Standard 3/8-16 thread: Seamless integration with Graco airless sprayers
- Hardened steel construction: Corrosion-resistant for extended durability
- Precision-machined hex head: Secure tightening and torque retention
Key Features
- Grade 8 steel for high tensile strength and durability
- Zinc phosphate plating for corrosion resistance
- Maintains preload retention under high-pressure conditions
- Compatible with diaphragm units, piston pumps, and manifold blocks
- Ideal for both commercial and residential coating applications
Maintenance Tips
- Inspect threads and head for galling, corrosion, or deformation every 500 hours of use
- Use PTFE-based lubricant for easier removal and prolonged service life
- Follow manufacturer torque specifications to prevent over-tightening
Frequently Asked Questions
The screw has a 3/8-16 UNC thread, designed for seamless integration with Graco airless sprayers.
It is made from Grade 8 steel with a zinc phosphate plating for corrosion resistance.
Yes, the screw is designed to maintain preload and secure critical components in high-pressure airless sprayer systems.
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