1. Introduction
This manual provides essential information for the safe and effective use of your STANLEY STA66185-QZ Conical Rasp. This tool is designed for shaping and enlarging holes in various materials, featuring a conical shape with a diameter range of 6-14mm and a working depth of 35mm, mounted on a 6mm shank. Please read these instructions carefully before use and retain them for future reference.
2. Safety Information
Always prioritize safety when using any hand tool.
- Wear appropriate personal protective equipment (PPE): This includes safety glasses to protect against flying debris and gloves to protect hands.
- Secure your workpiece: Ensure the material you are working on is firmly clamped or held to prevent movement during operation.
- Inspect the tool before use: Check the rasp for any signs of damage or wear. Do not use a damaged tool.
- Use in a well-ventilated area: Dust and particles can be generated during rasping.
- Keep hands clear: Always keep hands and fingers away from the working end of the rasp.
- Store safely: Store the rasp in a dry, secure place, out of reach of children.
3. Product Overview

Figure 1: The STANLEY STA66185-QZ Conical Rasp. This image displays the conical rasp with its textured surface designed for material removal and the cylindrical shank for attachment to a compatible tool.

Figure 2: Packaging for the STANLEY STA66185-QZ Conical Rasp. The packaging highlights key specifications such as the 6mm to 14mm diameter range and the STANLEY brand logo.
The STANLEY STA66185-QZ is a conical rasp designed for precision material removal and shaping. Its tapered design allows for enlarging holes from 6mm to 14mm in diameter, with a maximum working depth of 35mm. The 6mm shank ensures compatibility with various rotary tools or drills.
4. Setup
Before operating the conical rasp, ensure proper setup for safety and optimal performance.
- Select a compatible tool: The rasp features a 6mm shank. Ensure your rotary tool, drill, or chuck can securely hold a 6mm shank.
- Insert the shank: Insert the 6mm shank fully into the chuck of your rotary tool or drill.
- Tighten the chuck: Securely tighten the chuck to prevent the rasp from slipping during operation. Ensure it is centered and runs true.
- Prepare the workpiece: Secure the material you intend to work on using clamps or a vise. This prevents movement and ensures control.
- Wear PPE: Put on safety glasses and gloves before beginning any work.
5. Operating Instructions
Follow these steps for effective and safe operation of the conical rasp.
- Start the tool: Turn on your rotary tool or drill at a moderate speed. Avoid excessively high speeds, especially when starting.
- Begin rasping: Gently bring the conical end of the rasp into contact with the material. For enlarging holes, insert the tip into the existing hole.
- Apply even pressure: Apply light, consistent pressure. Allow the rasp to do the work. Excessive force can lead to tool damage or loss of control.
- Move the rasp: Move the rasp in a circular motion or back and forth to evenly remove material and achieve the desired shape or diameter.
- Check progress: Periodically stop the tool and check your progress to ensure you are not removing too much material.
- Clean debris: Regularly clear away accumulated material from the workpiece and the rasp to maintain cutting efficiency.
- Finish: Once the desired shape or size is achieved, turn off the tool and allow the rasp to come to a complete stop before removing it from the workpiece.
Note: The conical design is ideal for creating tapered holes or for gradually enlarging existing holes.
6. Maintenance
Proper maintenance extends the life of your STANLEY conical rasp.
- Cleaning: After each use, clean any accumulated debris or material from the rasp's teeth. A stiff brush or wire brush can be used.
- Inspection: Regularly inspect the rasp for signs of wear, dullness, or damage. A dull rasp will be less effective and may require more force, increasing the risk of injury.
- Storage: Store the rasp in a dry environment to prevent rust. Consider using a tool roll or case to protect the cutting surfaces and prevent accidental contact.
- Lubrication (if applicable): While not typically required for rasps, if storing for extended periods in humid conditions, a light coat of rust-preventative oil can be applied.
7. Troubleshooting
This section addresses common issues you might encounter.
- Rasp not cutting effectively:
- Check if the rasp teeth are clogged with material. Clean thoroughly.
- The rasp may be dull. Consider replacement if performance does not improve after cleaning.
- Ensure adequate speed on your rotary tool/drill.
- Rasp slipping in chuck:
- Ensure the chuck is tightened securely.
- Verify the shank is fully inserted into the chuck.
- Check for grease or oil on the shank that might reduce grip; clean if necessary.
- Excessive vibration:
- Ensure the rasp is properly seated and centered in the chuck.
- Check for any bends or damage to the rasp shank. Replace if damaged.
- Verify the workpiece is securely clamped.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | STA66185-QZ |
| Brand | STANLEY |
| Type | Conical Rasp |
| Diameter Range | 6 mm - 14 mm |
| Working Depth | 35 mm |
| Shank Diameter | 6 mm |
| Product Dimensions (L x W x H) | 17.1 x 7.2 x 3 cm |
| Weight | 39 grams |
9. Warranty and Support
For information regarding warranty coverage, product support, or spare parts availability for your STANLEY STA66185-QZ Conical Rasp, please refer to the documentation provided with your purchase or visit the official STANLEY website.
Contact information for customer service can typically be found on the product packaging or the manufacturer's website.