US PRO Tools External Chamfer Deburring Tool - 3-19mm - 1/4" Hex Drive
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Product Information
Full details
This external chamfer deburring tool from US PRO is designed for professionals and DIY enthusiasts needing to quickly clean, deburr, and chamfer damaged threads and studs. Its key benefit is restoring threads to a usable condition, enabling smooth nut refitting and improved thread engagement. A potential caveat is its suitability for components within the 3mm to 19mm diameter range. The tool features durable tungsten carbide blades and a 1/4" hex drive for power tool compatibility.
All features
| Model Part Number | 7220 |
|---|---|
| Brand | us pro |
Extended Product Information
FAQs
What is the primary purpose of this tool?
The primary purpose is to clean, deburr, and chamfer damaged or rough external threads and studs, making them ready for re-installation with nuts or mating components.
What is the range of thread diameters this tool can handle?
The tool is designed for components with diameters ranging from 3mm to 19mm.
Can this tool be used with hand tools?
While it features a 1/4" hex drive for power tools like drill drivers, it can technically be used with a manual hex driver handle, although this will be significantly slower and require more effort.
What materials can the tungsten carbide blades cut?
The tungsten carbide blades are suitable for a wide range of materials including stainless steel, hardened steel, mild steel, copper, brass, fiberglass, and hard plastics.
How do I ensure the tool cuts a proper 50-degree chamfer?
The tool is designed to cut a 50-degree chamfer automatically when applied correctly to the edge of the thread or stud. Ensure consistent contact and allow the tool's geometry to perform the cut.
Is this tool suitable for repairing internal threads?
No, this is an external chamfer deburring tool and is only designed for use on external threads and studs.
How often should I replace the tungsten carbide blades?
The frequency of blade replacement depends on the usage and the hardness of the materials being worked. Inspect the blades periodically for visible wear or damage. Replace them when they no longer provide a clean and efficient cut.
Troubleshooting
Tool is not cutting effectively
Ensure the tool is securely chucked in the power tool and that the power tool is set to the correct rotation (usually forward/clockwise for cutting). Check if the material being worked on is within the tool's specified range and if the blades are clean and free from debris. For very hard materials, ensure sufficient cutting pressure is applied.
Tool is wobbling during use
Verify that the 1/4" hex shank is fully and securely inserted into the drill chuck. Ensure the drill chuck itself is properly tightened. Check for any damage to the hex shank or the chuck.
Chamfer is not smooth
Allow the tool to do the cutting; do not force it. Ensure consistent speed and pressure. Clean the blades to remove any built-up material that could impede a clean cut. For softer materials, a slower speed might yield a smoother finish.
Pros and Cons
Pros
- Quickly restores damaged threads to a usable state.
- Compatible with power tools for efficient operation.
- Durable tungsten carbide blades ensure long service life.
- Works on a wide variety of metal and plastic materials.
- Cuts a precise chamfer for improved thread refitting.
Cons
- Limited to external threads and studs within the 3-19mm diameter range.
- May require practice to achieve perfect results on very damaged threads.
- Not suitable for internal thread repair.
Setup, Compatibility & Care
Setup: The tool features a standard 1/4" hex drive. Simply insert the drive shank into the chuck of your drill driver or impact wrench. Ensure the tool is securely gripped by the chuck.
Compatibility: This tool is designed to work with standard drill drivers and impact wrenches that accept a 1/4" hex shank. It is compatible with components (threads and studs) with diameters ranging from 3mm to 19mm.
Care: After each use, it is recommended to clean the tungsten carbide blades to remove any debris. A soft brush or compressed air can be used. Store the tool in a dry place to prevent rust or damage. Periodically inspect the blades for wear and replace if necessary for optimal performance.