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
It is used to secure pump bodies, valve manifolds, and high-pressure fluid delivery assemblies in Graco airless sprayers.
It is made from 17-4 PH precipitation-hardening stainless steel with passivation, offering high tensile strength and corrosion resistance.
Yes, it maintains clamping integrity under high-pressure and cyclic loading, suitable for airless sprayer systems and industrial coating applications.
