Graco 120453 M3 x 18 SHCS Screw

Compatible Machines & Key Applications

• Graco Airless Sprayer Pump Modules
• Graco High-Pressure Manifold Assemblies
• Graco Filtration Housings and Filter Cartridges
• Graco Piston Pump Drives and Spray Head Assemblies

Product Overview

The Graco 120453 SHCS M3×18 Screw is a precision socket head cap screw designed for high-performance fluid handling applications. Manufactured from corrosion-resistant alloy steel, it ensures secure clamping and optimal alignment in compact assemblies.

• M3 × 18 mm socket head cap screw with flanged head
• Corrosion-resistant alloy steel, zinc-flashed for solvent and water-based environments
• Precision rolled threads with 0.5 mm pitch for uniform axial stiffness
• 5 mm hex drive for standardized tool compatibility
• Distributes clamp load evenly, minimizing subsurface deformation

Performance & Maintenance

Engineered for cyclic loading and high-pressure operations, the 120453 screw maintains consistent sealing and clamping in pump and manifold assemblies. Its compact form factor simplifies integration without compromising structural integrity.

• Tensile strength >800 MPa, yield strength >640 MPa
• Flanged head eliminates need for separate washer
• Supports precise gasket interface sealing and minimizes pulsation leaks
• Resists corrosion, galling, and thermal cycling for long-term reliability
• Facilitates predictable maintenance intervals and reduced downtime

Frequently Asked Questions