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Graco 69621ST Uni-Tip 621 S Spray Tip

The Graco 69621ST Uni-Tip 621 S Spray Tip is a durable reversible airless spray tip designed for consistent spray patterns and efficient coverage when applying medium to thicker coatings.

  • Tip Size: 621
  • Orifice Size: 0.021 inch
  • Fan Width: Approx. 12 inches
  • Tip Type: Reversible Uni-Tip design for quick clog removal
  • Material: Tungsten carbide for long service life
  • Use: Suitable for latex paints, primers, and thicker coatings
  • Compatibility: Fits airless sprayers with standard Uni-Tip or flat tip guards

List Price: $54.75
You save: $4.54 (8.29%)
Sale Price: $50.21
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Compatible Machines

The Graco 69621ST Uni-Tip 621 S Spray Tip is designed for use with professional airless paint sprayers that support the Uni-Tip or standard flat tip guard system. It is commonly used with the following Graco Magnum airless sprayers.

  • Graco Magnum A5 Compact DS Airless Sprayer
  • Graco Magnum A10 Pro Compact Airless Sprayer
  • Graco Magnum A20 Plus Airless Sprayer
  • Graco Magnum A30 Pro Plus Airless Sprayer
  • Graco Contractor Series Airless Paint Sprayers with Uni-Tip Guards
  • Airless Spray Guns using Standard Uni-Tip or Flat Tip Guards

Product Overview

The Graco 69621ST Uni-Tip 621 S Spray Tip is a durable reversible airless spray tip designed to deliver consistent spray patterns for professional painting applications. Built with high-quality materials, this tip ensures reliable performance, smooth atomisation, and efficient coverage when spraying medium to thicker coatings.

Its reversible design allows users to quickly clear clogs by simply rotating the tip, reducing downtime and improving productivity. The tip size 621 produces a wide fan pattern suitable for covering large surfaces such as walls, ceilings, and building exteriors.

Key Features of Graco 69621ST Uni-Tip 621 S Spray Tip

Tip Size 621
Orifice Size 0.021 inch
Fan Width Approximately 12 inches when sprayed at 12 inches from the surface
Tip Type Reversible Uni-Tip airless spray tip
Material Durable tungsten carbide construction
Application Designed for medium to thicker coatings including latex paints and primers

Spray Pattern and Tip Size Explanation

The numbering system used in the 621 spray tip helps determine the spray characteristics. The first digit multiplied by two indicates the approximate spray fan width, while the last two digits represent the orifice size.

  • 6 – Produces approximately a 12-inch wide spray fan
  • 21 – Indicates a 0.021-inch orifice opening

This combination makes the spray tip ideal for applying thicker materials while maintaining even coverage and efficient material flow.

Applications

The Graco 69621ST Uni-Tip 621 S Spray Tip is commonly used for professional painting and coating applications where wide coverage and consistent atomisation are required.

  • Interior wall painting
  • Exterior building coatings
  • Ceilings and large surface areas
  • Decks and fences
  • Primers and thicker latex coatings

Frequently Asked Questions

The number 621 indicates the spray characteristics of the tip. The first digit represents half of the spray fan width, meaning it produces about a 12-inch fan pattern. The last two digits represent the 0.021-inch orifice size that controls the amount of coating sprayed.

This spray tip is suitable for medium to thicker coatings such as latex paints, primers, and similar materials commonly used in residential and commercial painting projects.

If the tip becomes clogged during spraying, you can rotate the reversible tip 180 degrees and spray briefly to clear the blockage. This feature helps minimise downtime and keeps your spraying job running smoothly.

The tip is compatible with most airless paint sprayers that use standard Uni-Tip or flat tip guards. It is commonly used with various Graco Magnum airless sprayers and contractor-grade spray guns.

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