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Graco 113747 Hex Hd Flange Screw

The Graco 113747 Hex HD Flange Screw is an OEM fastener designed for secure, vibration-resistant mounting in Graco pump and striper assemblies.

  • Flanged head for stronger clamping
  • Used on diaphragm pumps & LineLazer IV 200HS
  • Engineered for high-load, high-vibration areas
  • Matches OEM thread and torque specs

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Graco 113747 — Hex-Head Flange Screw Details

The Graco 113747 Hex HD Flange Screw is a genuine OEM fastener designed for secure structural assembly in Graco pumping and striping systems. Its built-in flange head provides stable clamping force and improved vibration resistance.

Compatible Machines

This screw is confirmed in official Graco parts manuals for the following models:

  • Graco Air-Operated Diaphragm Pumps (select models)
  • Graco LineLazer IV 200HS – High-performance line striper

Note: This screw may appear in additional pump or striper assemblies; always check your model’s parts diagram for verification.

Key Specifications

Part Number 113747
Type Hex-Head Flange Screw
Typical Use Manifold, pump housing & structural fastener points
Design Benefit Flanged head distributes load for stronger, vibration-resistant fastening
OEM Quality Exact match for Graco torque and thread standards

Why This OEM Screw Matters

  • Ensures proper clamping pressure in high-vibration applications
  • Prevents leaks or misalignment in pump housings
  • Engineered specifically for Graco assemblies
  • Long-lasting and corrosion-resistant construction

Installation Tips

  • Verify torque specs per your machine’s manual
  • Inspect flange surface for debris before tightening
  • Replace worn or damaged screws immediately to maintain structural integrity

Frequently Asked Questions

In the LineLazer IV 200HS, the 113747 Flange Screw is typically used in structural and pump-mounting assemblies where stable, vibration-resistant fastening is required.

Substitution is not recommended. OEM screws like the 113747 meet specific thread, hardness, and flange dimensions required to maintain proper sealing and alignment under load.

Not all pumps use this exact screw, but several air-operated diaphragm pumps do list the 113747 in their parts manuals. Always reference your specific model’s diagram for confirmation.

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