Graco 116379 – Knurled-Head Thumb Screw
Overview
The Graco 116379 Knurled Head Thumb Screw is a hand-operated fastener designed for easy tightening/loosening without tools. Its knurled head provides a secure grip for manual operation, making it ideal for applications where frequent removal or adjustment is required — such as maintenance covers, pump assemblies, or accessory mountings in Graco spray and fluid-handling equipment.
Key Specifications
- Knurled head for manual tightening and loosening
- OEM-grade fastener — original Graco part number 116379
- Compact thumb-screw design suitable for pump covers, brackets or removable panels
- Ease of hand-access without requiring tools — useful for maintenance or frequent disassembly
Compatible Machines
No verified public compatibility list is provided for this part. If you plan to install this screw, verify your machine’s parts diagram or manual to ensure 116379 is listed — especially for exact thread size and length requirements.
Why Use This Thumb Screw?
This knurled-head thumbscrew is ideal when you need:
- Tool-free access — for maintenance panels, inspection covers or adjustable fittings
- Frequent removal and re-installation without wear on fasteners or tools
- OEM-grade reliability and correct fit for Graco systems
- Simple and quick manual operation in the field
Frequently Asked Questions
A knurled-head thumb screw has a textured (knurled) head so you can tighten or loosen it by hand without tools. The knurling gives extra grip, making manual operation easier — handy for parts that are frequently accessed or removed.
Yes — 116379 is listed in catalogs as a genuine Graco knurled-head thumb screw.
Thumb screws like this are often used for removable panels, inspection covers, pump brackets, or accessory mounts — anywhere you want tool-free access for maintenance or adjustments.
