Graco AST321 Airlessco 321ST Rev-Tip Seal Spray Tip

Fine Finish Spray Tip for Smooth and Accurate Interior Coatings

Compatible Machines

• All Graco RAC 5 Tip Guard equipped airless sprayers
• Graco Ultra Series Airless Sprayers
• Graco UltraMax Series Airless Sprayers
• Graco ST Max Series Airless Sprayers
• Graco 390 / 395 / 490 / 495 / 595 Series Airless Sprayers
• Graco FinishPro Series (Airless models with RAC 5 tip guard)
• Any sprayer using a RAC 5 7/8" Thread Tip Guard

Product Overview

The Graco AST321 Tip 321ST is a RAC 5 Reverse-A-Clean (RAC 5) spray tip designed for fine finish and precision coating. It delivers smooth atomization and even material flow, making it perfect for trim, cabinets, doors, and detailed interior surfaces.

With a .021" orifice and a 16-inch fan pattern (measured at 12 inches from the surface), the 321ST spray tip provides consistent coverage for light to medium coatings.

Technical Specifications

Key Benefits

• Consistent Finish: Provides smooth coverage on trim, cabinets, and doors.
• Precise Material Control: .021" orifice ensures even application without overspray.
• Reverse-A-Clean Feature: Easily clears clogs with tip rotation.
• Quick Installation: Fits all standard RAC 5 tip guards.
• Durable Design: Professional-grade construction for repeated use.

Recommended Applications

The 321ST RAC 5 Tip is ideal for residential and light commercial projects that require fine, smooth finishes. Performs well with interior latex paints, enamels, stains, and primers.

Frequently Asked Questions