Introduction
This manual provides detailed instructions for the safe and effective installation and use of the Arlington BC25 Steel Square Head Beam Clamp. The BC25 is designed for securing threaded rods to steel beams, offering a reliable and robust connection for various applications. Please read this manual thoroughly before installation and operation.
Safety Information
- Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves, during installation.
- Ensure the beam clamp is correctly sized for the application and the beam it will be attached to.
- Do not exceed the maximum static load capacity of 75 lb (34 kg). Overloading can lead to failure and injury.
- Verify that the threaded rod is securely fastened and the clamp is tightened to the manufacturer's specifications.
- Inspect the clamp and beam for any damage or defects before installation. Do not use damaged components.
Setup and Installation
The Arlington BC25 beam clamp is designed for straightforward installation. Follow these steps to ensure a secure attachment:
- Identify the Installation Point: Select a suitable location on the steel beam where the clamp will be attached. Ensure the beam's thickness is within the clamp's jaw opening capacity (0.608 inches).
- Position the Clamp: Place the BC25 beam clamp onto the edge of the steel beam. The square head bolt should be positioned to allow for tightening against the beam flange.
- Insert Threaded Rod: Thread the 1/4-20 threaded rod into the designated hole on the clamp. Ensure the rod is fully engaged and secure.
- Tighten the Clamp: Using an appropriate wrench, tighten the square head bolt firmly against the beam flange. Ensure the clamp is snug and does not move. Do not overtighten, as this can damage the clamp or the beam.
- Verify Security: After tightening, gently pull on the threaded rod to confirm the clamp is securely fastened to the beam and cannot be easily dislodged.

Figure 1: An Arlington BC25 Steel Square Head Beam Clamp shown installed on a structural steel beam, illustrating its attachment mechanism and the threaded rod connection point. This image demonstrates the clamp's compact design and how it secures to the beam flange.
Operation
Once properly installed, the Arlington BC25 beam clamp functions as a fixed anchor point for 1/4-20 threaded rods. Its operation is passive, providing a stable connection for hanging or supporting various components. No active operational steps are required beyond initial installation.
Maintenance
The Arlington BC25 Steel Square Head Beam Clamp requires minimal maintenance. Regular inspection is recommended to ensure continued safety and performance:
- Periodic Inspection: Annually, or more frequently in demanding environments, inspect the clamp for signs of corrosion, deformation, or damage.
- Tightness Check: Verify that the square head bolt remains tight and the clamp is securely fastened to the beam. Retighten if necessary.
- Load Assessment: Ensure that the applied load does not exceed the rated static load capacity of 75 lb.
- Cleaning: If necessary, clean the clamp with a dry cloth to remove dust or debris. Avoid harsh chemicals that could compromise the plated finish.
Replace any clamp that shows signs of significant wear, damage, or corrosion.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clamp is loose after installation. | Insufficient tightening; incorrect beam size; vibration. | Retighten the square head bolt. Ensure the beam thickness is compatible with the clamp's jaw opening. Check for excessive vibration. |
| Threaded rod does not fit. | Incorrect threaded rod size. | Ensure you are using a 1/4-20 threaded rod. |
| Clamp shows signs of bending or cracking. | Overloading; impact damage; material fatigue. | Immediately remove the clamp from service. Replace with a new, undamaged clamp. Verify the load does not exceed 75 lb. |
Specifications
| Feature | Specification |
|---|---|
| Model Number | BC25 |
| Material | Steel (Alloy Steel) |
| Finish | Plated |
| Jaw Opening | 0.608 Inch |
| Threaded Rod Size | 1/4-20 |
| Maximum Static Load Capacity | 75 lb (34 kg) |
| Dimensions (L x W x H) | 0.812 Inch x 1.312 Inch x 1.718 Inch |
| Item Weight | 0.13 Pounds |
| UPC | 018997232502 |
Warranty and Support
Arlington products are manufactured to high standards. For specific warranty information or technical support, please refer to the official Arlington Industries website or contact their customer service department. Keep your purchase receipt for warranty claims.
Contact Information: Please visit the ARLINGTON Store on Amazon or the official Arlington Industries website for the most current support resources.





