1. Introduction
Thank you for choosing the Bostitch B8 Xtreme Duty 45 Sheet Plier Stapler. This manual provides essential information for the safe and efficient use of your stapler. Please read these instructions carefully before use and retain them for future reference.
This heavy-duty plier stapler is designed for stapling up to 45 sheets of paper, light corrugated materials, and plastic, utilizing B8 PowerCrown staples for reliable performance.
2. Safety Information
- Always keep fingers clear of the stapling mechanism to prevent injury.
- Do not attempt to staple materials beyond the recommended capacity (45 sheets) to avoid damage to the stapler or improper stapling.
- Use only Bostitch B8 PowerCrown staples (1/4 inch or 3/8 inch) as specified. Using incorrect staples may cause jamming or damage.
- Keep the stapler out of reach of children.
- Inspect the stapler for any damage before each use. Do not use if damaged.
3. Package Contents
Your package should contain the following:
- Bostitch B8 Xtreme Duty 45 Sheet Plier Stapler (Quantity: 3, if purchased as a 3-pack)
- Instruction Manual (this document)
Note: Staples are sold separately. Ensure you have Bostitch B8 PowerCrown staples (1/4 inch or 3/8 inch) for operation.
4. Product Overview
The Bostitch B8 Xtreme Duty Plier Stapler is engineered for durability and performance, featuring robust construction and advanced stapling technology.

Figure 1: Metal & Composite Construction. This image highlights the durable build of the stapler, designed to staple through up to 45 sheets, light corrugated materials, and plastic with ease.

Figure 2: No-Jam™ Technology. The stapler incorporates No-Jam™ Technology for smooth, reliable stapling performance, minimizing staple jams even when stapling up to 45 sheets.
5. Setup: Loading Staples
The Bostitch B8 Xtreme Duty Plier Stapler features a quick loading system for easy staple replenishment.
- Identify the Pusher System: Locate the removable pusher system at the rear of the stapler.
- Remove the Pusher: Gently pull the pusher rod straight out from the rear of the stapler.
- Insert Staples: Place a strip of Bostitch B8 PowerCrown staples (1/4 inch or 3/8 inch) into the staple channel with the crown side up.
- Reinsert Pusher: Push the pusher rod back into the stapler until it locks into place.

Figure 3: Quick Loading Steps. This illustration demonstrates the simple three-step process for loading staples: 1) Pull out the pusher, 2) Insert staples, 3) Push the pusher back in.
Important: This stapler requires Bostitch B8 PowerCrown staples. Do not use standard staples.
6. Operating Instructions
To staple documents with your Bostitch B8 Xtreme Duty Plier Stapler:
- Prepare Documents: Align the papers or materials you wish to staple.
- Position Stapler: Place the stapler over the desired stapling location on your documents. Ensure the stapler's anvil (the base plate) is underneath the papers.
- Apply Pressure: Squeeze the handles of the stapler firmly and evenly until the staple penetrates and clinches the materials.
- Release: Release the handles to complete the stapling action.
The stapler is designed to handle 2 to 45 sheets of standard paper, as well as light corrugated and plastic materials.
7. Maintenance
To ensure the longevity and optimal performance of your stapler:
- Cleaning: Periodically wipe the exterior of the stapler with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
- Staple Channel: Occasionally check the staple channel for any small paper fragments or broken staples that might obstruct the staple path. Clear any obstructions carefully.
- Storage: Store the stapler in a dry, clean environment when not in use.
8. Troubleshooting
If you encounter issues with your Bostitch B8 Xtreme Duty Plier Stapler, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Stapler jams frequently. | Incorrect staple type or size. Overloading the stapler. Debris in staple channel. | Ensure you are using Bostitch B8 PowerCrown staples (1/4 inch or 3/8 inch). Do not exceed 45 sheets. Clear any debris from the staple channel. |
| Staples do not penetrate materials completely. | Too many sheets. Insufficient pressure. Incorrect staple size for material thickness. | Reduce the number of sheets. Apply firm, even pressure. Use 3/8 inch staples for thicker stacks (up to 45 sheets) and 1/4 inch for thinner stacks. |
| Stapler does not fire or staples are not advancing. | Stapler is empty. Pusher not fully engaged. Damaged staples. | Reload staples. Ensure the pusher rod is fully inserted and locked. Check staples for damage and replace if necessary. |
9. Specifications
| Brand | Bostitch |
| Model Number | BOSB8HDP |
| Stapling Capacity | 2-45 sheets of paper, light corrugated, and plastic |
| Compatible Staples | Bostitch B8 PowerCrown 1/4 inch or 3/8 inch |
| Color | Black |
| Material | Plastic, Metal |
| Item Weight | 6.6 pounds (for 3-pack, individual weight will be less) |
10. Warranty and Support
For warranty information and customer support, please refer to the official Bostitch website or contact their customer service department. Keep your purchase receipt as proof of purchase.
You can typically find support contact details on the manufacturer's official website: www.bostitch.com







