Product Overview
The Marson HP-2 Professional Hand Riveter is a robust tool designed for various riveting applications. It is engineered for durability and ease of use, making it suitable for both steel and aluminum rivets.

Image: The Marson HP-2 Professional Hand Riveter, featuring red handles and a black body, designed for efficient riveting.
Key Features:
- Square shoulder fulcrum pin of cold-formed heat treated steel prevents pin rotation that can elongate the engaging holes and cause premature tool failure.
- Handles have cushion-molded vinyl grips for comfort.
- High-strength aluminum alloy body.
- Drop forged carbon steel upper handle.
- Includes steel and aluminum rivets from 3/32 inch to 3/16 inch, and stainless steel up to 5/32 inch.
Setup
The Marson HP-2 Hand Riveter comes with multiple nosepieces to accommodate different rivet sizes. These nosepieces are conveniently stored within the tool's handle.
Changing Nosepieces:
- Identify the correct nosepiece size for your rivet. The tool supports various diameters, including steel and aluminum rivets from 3/32 inch to 3/16 inch, and stainless steel up to 5/32 inch.
- Locate the stored nosepieces in the handle of the riveter. They are typically screwed into designated holes for secure storage.
- Unscrew the currently installed nosepiece (if any) and the desired nosepiece from its storage location.
- Screw the chosen nosepiece firmly into the front of the riveter until it is secure.
Operating Instructions
Follow these steps to effectively use your Marson HP-2 Hand Riveter:
- Prepare the Material: Ensure the materials to be joined are properly aligned and have pre-drilled holes that match the diameter of your chosen rivet.
- Insert the Rivet: Place the rivet through the aligned holes in your material. The rivet's mandrel (the pin) should extend through the hole.
- Position the Riveter: Slide the nosepiece of the riveter over the mandrel of the rivet until it rests firmly against the head of the rivet and the material. Ensure the riveter is held perpendicular to the material for a clean set.
- Operate the Handles: Squeeze the handles of the riveter together with firm, steady pressure. You may need to squeeze multiple times depending on the rivet size and material thickness. As you squeeze, the riveter pulls the mandrel, expanding the rivet's body on the blind side of the material, forming a secure joint.
- Mandrel Ejection: Continue squeezing until the mandrel snaps off, indicating the rivet is properly set. The broken mandrel will typically fall out of the back of the riveter. If it does not, simply invert the riveter or load another rivet to help eject it.
- Inspect the Rivet: After setting, inspect the rivet to ensure it is flush and securely fastened. The joint should be tight and free of burrs.
Note: For optimal results and to prevent jamming, ensure the riveter is held square to the material being riveted.
Maintenance
Proper maintenance will extend the life and performance of your Marson HP-2 Hand Riveter:
- Cleaning: After each use, wipe down the tool with a clean, dry cloth to remove any dust, debris, or metal shavings.
- Lubrication: Periodically apply a light machine oil to all moving parts, including the pivot points and the jaw mechanism, to ensure smooth operation and prevent rust.
- Nosepiece Care: Keep the nosepieces clean and free of obstructions. Store them securely in the designated holes within the handle when not in use.
- Storage: Store the riveter in a dry environment to prevent corrosion. Utilize the chain on the handles to keep them closed for compact storage and to protect the jaw mechanism.
Troubleshooting
If you encounter issues while using your riveter, consider the following common problems and solutions:
- Rivet Not Setting Properly:
- Ensure you are using the correct size nosepiece for the rivet.
- Apply sufficient and steady pressure to the handles. Some larger or harder rivets may require more force.
- Verify that the rivet is fully inserted into the material and the nosepiece is flush against the rivet head.
- Mandrel (Spent Nail) Gets Stuck:
- This is a common occurrence with hand riveters.
- To remove a stuck mandrel, simply invert the riveter and shake it gently.
- Alternatively, insert a new rivet and operate the tool; the new rivet's mandrel will often push out the stuck one.
- Ensure the riveter is held square to the material to prevent bending the mandrel, which can lead to sticking.
- Handles are Stiff or Squeaky:
- Apply a few drops of light machine oil to the pivot points and jaw mechanism.
- Clean any accumulated dirt or debris from the moving parts.
Specifications
| Feature | Detail |
|---|---|
| Manufacturer | Marson |
| Brand | Marson |
| Model | 39000 (HP-2) |
| Item Weight | 1 pounds |
| Product Dimensions | 10.2 x 3 x 1.2 inches |
| Country of Origin | Taiwan |
| Rivet Compatibility | Steel & Aluminum: 3/32" to 3/16"; Stainless Steel: up to 5/32" |
Warranty and Support
For warranty information or technical support regarding your Marson HP-2 Professional Hand Riveter, please refer to the manufacturer's official website or contact their customer service department directly. Keep your purchase receipt as proof of purchase for any warranty claims.
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