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
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
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