Introduction
This manual provides essential instructions for the safe and effective use, maintenance, and care of your Arm Bolt Cutter Mini HA-250(B) HA Type. This tool is designed for cutting mild steel wire and special steel wire materials before hardening, with a maximum cutting capacity of 0.2 inches (4 mm) in diameter.
Please read this manual thoroughly before operating the tool to ensure proper handling and to prevent injury or damage.
Safety Instructions
Always follow these safety guidelines when using the bolt cutter:
- Wear appropriate personal protective equipment (PPE), including safety glasses or goggles, to protect against flying debris.
- Inspect the tool before each use for any signs of damage, wear, or loose parts. Do not use a damaged tool.
- Ensure a stable and secure grip on the handles during operation.
- Do not exceed the maximum cutting capacity of 0.2 inches (4 mm) for mild steel wire. Attempting to cut larger or harder materials can damage the tool and cause injury.
- Keep hands and fingers clear of the cutting jaws.
- Store the tool in a dry, secure place, out of reach of children and unauthorized users.
- Do not use the tool for purposes other than its intended use (cutting wires and bolts).
Product Overview

Figure 1: Arm Bolt Cutter Mini HA-250(B) HA Type. This image shows the bolt cutter with its orange handles and black cutting jaws.
The Arm Bolt Cutter Mini HA-250(B) is a compact and robust tool designed for efficient cutting tasks. It features durable cutting jaws and ergonomic handles for comfortable operation.
Setup
The Arm Bolt Cutter Mini HA-250(B) is ready for use directly out of the packaging. No assembly is required.
- Unpack the tool: Carefully remove the bolt cutter from its packaging.
- Inspect for damage: Before first use, visually inspect the tool for any shipping damage or manufacturing defects. Ensure the cutting jaws align properly and the handles operate smoothly.
- Clean if necessary: Wipe off any protective oils or debris with a clean, dry cloth.
Operating Instructions
Follow these steps for safe and effective operation:
- Identify the material: Ensure the material to be cut is within the tool's capacity (maximum 0.2 inches / 4 mm diameter for mild steel wire) and is not hardened steel, which can damage the jaws.
- Position the material: Open the bolt cutter jaws and place the material as deep as possible into the jaws, close to the pivot point. This provides maximum leverage and cutting force.
- Apply pressure: Grip the handles firmly with both hands. Apply steady, even pressure to close the handles, cutting through the material. Avoid sudden jerking motions.
- Release and inspect: Once the cut is complete, release the handles and remove the severed material. Inspect the cut edges for sharpness and cleanliness.
Important: Never attempt to cut live electrical wires. Always assume wires are live until proven otherwise. Use insulated tools for electrical work.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your bolt cutter:
- Cleaning: After each use, wipe down the tool with a clean, dry cloth to remove dirt, dust, and debris.
- Lubrication: Periodically apply a light machine oil to the pivot points and cutting jaws to ensure smooth operation and prevent rust.
- Storage: Store the bolt cutter in a dry environment to prevent corrosion. Keep the jaws closed when not in use to protect the cutting edges.
- Inspection: Regularly check the cutting edges for nicks, dullness, or damage. While the jaws are designed for durability, excessive force or cutting inappropriate materials can cause damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Difficulty cutting material | Material too hard or too thick; jaws are dull or damaged; insufficient leverage. | Ensure material is within specifications. Position material deeper into jaws. Inspect jaws for damage; if severely dull or damaged, consider professional sharpening or replacement. |
| Jaws stick or operate stiffly | Lack of lubrication; dirt or debris in pivot points. | Clean the pivot points and jaws thoroughly. Apply a light machine oil to all moving parts. |
| Rust formation | Exposure to moisture; improper storage. | Clean off rust with a wire brush or rust remover, then apply a protective layer of oil. Store in a dry environment. |
Specifications
| Model Number | HA-250(B) |
| Nominal Dimensions | 9.8 inches (250 mm) |
| Total Length | 9.2 inches (233 mm) |
| Maximum Cutting Capacity (HRB80) | Diameter 0.2 inches (4 mm) |
| Compatible Wire Material | Mild steel wire, Special steel wire material before hardened |
| Weight | 0.75 Pounds (0.34 kg) |
| Product Dimensions (L x W x H) | 11.34 x 2.91 x 0.79 inches (28.8 x 7.39 x 2.01 cm) |
| Manufacturer | Arm |
Warranty and Support
For information regarding warranty coverage, product support, or spare parts, please refer to the documentation provided at the time of purchase or contact the manufacturer directly. Keep your purchase receipt as proof of purchase.