Graco 120446 Hex Head Cap Screw

Compatible Machines & Key Features

• Graco Airless Sprayer Pump Bodies
• Graco Valve Manifolds
• Graco High-Pressure Fluid Delivery Systems
• Graco Multi-Stage Coating Pump Assemblies

Product Overview

The Graco 120446 Screw Cap Hex Head is a precision fastener engineered for high-pressure fluid handling and airless sprayer applications. Constructed from high-tensile stainless steel, it ensures secure clamping and long-lasting reliability.

• Hex head cap for consistent torque and secure fastening
• Precision ground threads with ±0.01 mm tolerance
• Integrated sealing face for leak-proof performance
• Corrosion-resistant 17-4 PH stainless steel with passivation
• Supports high-pressure pump assemblies and manifold blocks

Durability & Performance

Engineered for cyclic loading and high-pressure environments, the Graco 120446 cap screw provides excellent fatigue resistance and maintains clamping integrity under pulsating pressures. Ideal for industrial coatings, it is compatible with PTFE gaskets and polymeric O-rings.

• Ultimate tensile strength >1250 MPa, yield strength >1150 MPa
• Torque ratings up to 35 Nm without deformation
• Resists micro-leak paths and shear under dynamic fluid pulsation
• Standard M8×1.25 thread for modular assembly compatibility

Frequently Asked Questions