The Simpson HL35HDG Heavy L-Angle is a 7-gauge, hot-dip galvanized steel connector engineered to reinforce right-angle joints in timber framing and structural wood construction. Built to the exacting standards that engineers and contractors trust from Simpson Strong-Tie, this heavy angle delivers reliable performance in demanding structural applications - including exterior environments and projects involving treated wood - while promoting standardization and construction economy across a wide range of wood-frame connections.

Key Features

• Right-angle timber connection support - helps connect timber members and reinforce corner joints, giving builders a dependable solution for structural wood framing at 90 deg. intersections
• Resistance to uplift and diagonal forces - engineered to counter the lateral and uplift loads that standard fasteners alone cannot adequately handle, improving overall structural integrity
• 7-gauge steel construction - heavy-gauge material provides the rigidity and load capacity needed for demanding structural connections, reducing flex and connector deformation under stress
• Hot-dip galvanized coating - offers extra corrosion resistance beyond standard coatings, making this connector a reliable choice for exterior applications and use with treated wood where moisture or chemical exposure is a concern
• Compatible with Simpson Strong-Tie structural hardware - designed to work within the broader Simpson Strong-Tie connector system, supporting consistent, code-compliant installations across a project

Why This Product

• Built for exterior and treated-wood environments - the hot-dip galvanized finish provides a higher level of corrosion protection than standard coatings, making this heavy angle a purpose-appropriate choice for outdoor framing projects and applications where pressure-treated lumber is specified
• Engineered and tested by Simpson Strong-Tie - this connector is manufactured to the quality standards and engineering rigor that structural professionals rely on, supporting confidence in code-compliant construction
• Versatile enough to promote jobsite standardization - the heavy L-angle format covers a broad range of right-angle timber connections, helping contractors reduce the number of different connector types needed on a single project and streamline installation
• Domestically produced quality - manufactured in the United States to Simpson Strong-Tie production standards, supporting consistent material quality for structural hardware applications

Specifications

• Model Number (MPN): HL35HDG
• Brand: Simpson Strong-Tie
• Width-1: 3-1/4 in.
• Width-2: 3-1/4 in.
• Length: 5 in.
• Gauge: 7
• Coating: Hot-Dip Galvanized
• Finish: Hot-Dip Galvanized
• Installation Hardware: 1/2 in. diameter bolts (sold separately)
• Width 2: 3-1/4 in.
• Width 1: 3-1/4 in.
• Country of Origin: United States

Approved Applications

• Connecting timber members at right-angle (90 deg.) joints in wood-frame construction
• Reinforcing corner connections where two structural members meet
• Exterior applications requiring enhanced corrosion resistance
• Applications involving treated wood where hot-dip galvanized coating is recommended
• Structural projects requiring compliance with building codes using engineered connectors

Frequently Asked Questions

What size is the Simpson HL35HDG heavy angle?

The Simpson HL35HDG measures 3-1/4 in. x 3-1/4 in. x 5 in., providing a robust L-shaped profile designed to reinforce right-angle connections in timber and wood-frame construction.

What type of fasteners are used to install the HL35HDG?

The HL35HDG is installed with 1/2 in. diameter bolts, as specified by Simpson Strong-Tie for this heavy angle connector.

Why is the HL35HDG hot-dip galvanized instead of standard galvanized?

Hot-dip galvanization (HDG) provides an extra level of corrosion resistance compared to standard coatings, making the HL35HDG suitable for exterior applications and use with treated wood where exposure to moisture or chemicals may be a concern.

What gauge steel is the Simpson HL35HDG made from?

The HL35HDG is manufactured from 7-gauge steel, providing the heavy-duty thickness required to resist uplift and diagonal forces in structural wood connections.