Graco 120721 Screw Cap 3/8-16 Hex Head

Compatible Machines for GRACO 120721 Screw Cap 3/8"-16 Hex HD

The 120721 Screw Cap is a genuine Graco OEM part, designed to securely seal fluid connections and maintain system integrity in various Graco spray equipment.

• Graco Reactor Series Proportioners (Reactor 2, Reactor 3)
• Graco mobile spray rigs using 3/8"-16 fluid connections
• Graco Hopper/Pump assemblies requiring hex head screw caps

Product Overview

The 120721 Screw Cap provides a secure, leak-resistant closure for fluid systems in Graco equipment, ensuring consistent performance during operation.

Key Features & Specifications

• Part Number: 120721
• Thread: 3/8"-16
• Head Type: Hex
• Use: Secure fluid system closure
• Material: Durable, corrosion-resistant metal
• Brand: Graco OEM

Installation & Maintenance Tips

• Ensure threads are clean and undamaged before installation.
• Hand-tighten and finish with a wrench to prevent leaks.
• Inspect periodically for wear or corrosion.
• Replace if threads or head show signs of damage.

Frequently Asked Questions

Summary

The GRACO 120721 Screw Cap ensures leak-free closure for Graco fluid systems. Using genuine OEM parts maintains system reliability and safety standards.

Always confirm fitment with your equipment parts diagram or consult a Graco distributor with model and serial number.