The Simpson HL43 Heavy L-Shaped Angle is a heavy-duty structural connector from Simpson Strong-Tie, built to connect timber members and reinforce right-angle connections in wood framing applications. Formed from thick 3-gauge steel and finished with a Simpson Strong-Tie gray paint coating, this L-shaped angle bracket is engineered to resist uplift and diagonal forces at wood connections, making it a reliable choice for demanding structural work. Compatible with Simpson Strong-Tie structural hardware, the HL43 promotes standardization and construction economy across a wide range of framing and timber projects.

Key Features

• Connects timber and reinforces right-angle joints - the L-shaped profile provides solid bearing surface on both legs, keeping 90 deg. wood connections secure and properly aligned
• Resists uplift and diagonal forces - engineered specifically to counteract the forces most likely to compromise wood connections, adding critical strength to structural assemblies
• Made from 3-gauge steel - heavy-gauge construction delivers the rigidity and load capacity needed for demanding structural framing applications where thinner connectors fall short
• Simpson Strong-Tie gray paint finish - provides a consistent, durable coating that meets the quality standards expected on professional jobsites and structural installations
• Compatible with Simpson Strong-Tie structural hardware - works within a coordinated system of connectors, simplifying design, procurement, and installation across a project
• Promotes standardization and construction economy - a versatile form factor that reduces the need for custom or one-off solutions, saving time and effort in planning and building

Why This Product

• Engineered for real structural demands - Simpson Strong-Tie connectors are engineered and tested to perform, giving contractors and engineers confidence that this heavy angle will hold up where it counts in load-bearing timber connections
• Thick 3-gauge steel where it matters most - the heavy-gauge construction makes this angle bracket suitable for applications that require serious strength, going well beyond what a standard light-duty angle can provide
• A trusted system, not just a single part - compatibility with Simpson Strong-Tie structural hardware means the HL43 integrates cleanly into broader framing systems, reducing guesswork and supporting code-compliant construction
• Versatility that simplifies structural work - whether reinforcing a post-to-beam connection or bracing a right-angle joint in heavy timber framing, this connector supports a range of applications without requiring specialized or custom hardware

Specifications

• Model Number (MPN): HL43
• Brand: Simpson Strong-Tie
• Size: 4-1/4 in. x 4-1/4 in. x 3 in.
• Gauge: 3
• Coating: Simpson Strong-Tie Gray Paint
• Finish: Simpson Strong-Tie Gray Paint
• Installation Hardware: Install with 3/4 in. diameter bolts
• Width 2: 4-1/4 in.
• Length: 3 in.
• Width 1: 4-1/4 in.

Frequently Asked Questions

What is the Simpson HL43 used for?

The Simpson HL43 Heavy Angle is used to connect timber members and reinforce right-angle connections in wood framing. Its L-shaped design makes it ideal for applications where two members meet at a 90-degree angle, and it is capable of resisting uplift and diagonal forces in wood connections.

What size is the Simpson HL43?

The Simpson HL43 measures 4-1/4 in. x 4-1/4 in. x 3 in., providing substantial bearing surface on both legs of the connection for a strong and reliable joint.

What hardware is used to install the Simpson HL43?

The Simpson HL43 is installed with 3/4 in. diameter bolts. Always follow applicable building codes and Simpson Strong-Tie installation guidelines for your specific application.

What gauge steel is the Simpson HL43 made from?

The Simpson HL43 is made from 3-gauge steel, making it a heavy-duty connector suitable for demanding structural applications where strength and durability are essential.