Graco 116311 Hex Head Cap Screw

Graco 116311 Hex Head Cap Screw

The Graco 116311 Hex Head Cap Screw is an OEM-grade hex-head fastener designed for use in compatible Graco spray, pump and coating equipment. It provides a secure and reliable fastening solution — used to assemble housings, mounting plates, pump assemblies or other structural components.

Compatible Assemblies / Use Cases

• Graco spray- or pump-unit housings and assemblies where 116311 is specified as the fastening screw. ([parts listing])
• Mounting plates, pump covers, structural frames or components in Graco coating, fluid-handling or spray systems requiring factory-specified screws for proper assembly and alignment.

Product Features & Benefits

• Hex-head design: allows easy tightening/loosening with a wrench or socket, giving good torque and secure clamping force. :contentReference[oaicite:3]{index=3}
• Cap-screw / machine-screw type: designed for pre-tapped holes — ensures precise fit and proper load distribution under head. :contentReference[oaicite:4]{index=4}
• OEM-specified fastener: using the original Graco part helps maintain assembly integrity, fit, safety, and correct torque/clearance according to manufacturer design. :contentReference[oaicite:5]{index=5}
• Reliable for maintenance & replacement: when original screws are worn, stripped or lost — replacing with 116311 ensures stable, safe operation and prevents misalignment or leakage.

When & Why to Use / Replace

• Install when assembling or re-assembling Graco pump/sprayer housings or metal structural parts where 116311 is the specified fastener.
• Replace if original screw shows wear, thread damage, corrosion or stripped head — to maintain mechanical integrity and safe operation.
• Recommended during maintenance or overhaul to ensure all fasteners meet original specifications and tolerances.