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August 22, 2025Malleable Iron Beam Clamp with 1-3/8″ Wide Mouth, 1/4-20
Malleable Iron Beam Clamp, 1-3/8″ Wide Mouth, 1/2-13
Part # WMBC4T-138
UPC: 811443036293
Provides a heavy‑duty mounting base for I‑beams, girders, and other structural members

SKU: WMBC4T-138
Categories: Flange I-Beam Clamp, Malleable Iron Beam Clamp, New Products, Structural Attachments
- Heavy‑duty malleable iron body delivers rugged performance for demanding applications
- Electrogalvanized finish provides durable corrosion protection for long‑term performance
- Universal design works with a wide range of cable management hardware and apparatus
- Extra‑wide jaw opening accommodates flanges up to 1-3/8″ thick for secure attachment
- 1/4‑20 threaded holes tapped on the side and bottom
- Supplied with an installed 1/4″ hex head bolt
Application
- Provides a mounting point for threaded rod, j hooks, bridle rings, conduit hangers, and other cable management hardware
- Suitable for suspending apparatus such as horn speakers, temporary lighting, lighting fixtures, cable tray, HVAC equipment, overhead signage & displays, cameras, surveillance equipment, industrial automation, and other components
Installation
- Attach the clamp onto the girder or I‑beam flange
- Secure by tightening the included square‑head bolt with a socket driver
Packaging
- Unit Packaging: 25
Specifications
- Material: Malleable iron
- Finish: Electrogalvanized (zinc coating)
Safety
- Follow all installation instructions carefully to ensure safe and effective performance
- Comply with all applicable codes, regulations, and job site requirements
- Do not use the product beyond its intended purpose or specified load ratings
- Improper installation or use may result in malfunction, property damage, serious injury, or death, and will void the warranty
- Use only industry‑standard hardware that meets specified requirements


