The Simpson Strong-Tie BP 1-3/4 Bearing Plate is a heavy-duty structural plate engineered to provide a significantly greater bearing surface than standard-cut washers at critical connections. Measuring 3 in. x 3 in. with a 3/8 in. thickness and a 1-13/16 in. hole sized for a 1-3/4 in. bolt, this plate washer transfers concentrated compressive forces between structural elements, reducing stress concentrations and improving overall connection integrity. It is well suited for shearwall applications and connections exposed to the elements, with a hot-dip galvanized coating option available for superior corrosion resistance in demanding conditions.

Key Features

• 3 in. x 3 in. bearing surface - distributes load far more effectively than a standard-cut washer, reducing stress concentrations at critical structural connections
• 3/8 in. plate thickness - delivers the rigidity needed to reliably transfer concentrated compressive forces between two structural elements
• 1-13/16 in. hole for a 1-3/4 in. bolt - ensures a precise, secure fit at the connection point without requiring an additional standard-cut washer
• Hot-dip galvanized coating option - provides superior corrosion resistance for exposed or high-moisture environments where long-term durability is essential
• Shearwall-ready design - position the edge of the plate washer within 1/2 in. of the sheathed edge of the track-bottom plate for compliant shearwall installations

Why This Product

• Purpose-built load distribution - the 3 in. x 3 in. footprint spreads compressive forces across a surface area that standard-cut washers simply cannot match, making it the right choice wherever connection integrity is critical
• Simplified installation - no additional standard-cut washer is required; just tighten each anchor bolt with a nut and washer, reducing parts count and installation time on the job
• Versatile application fit - equally at home in shearwall assemblies and general structural connections, this bearing plate addresses a range of load-distribution needs with one consistent solution
• Long-term protection available - the hot-dip galvanized coating option makes this plate a dependable choice for outdoor, exposed, or corrosion-prone environments where hardware longevity matters

Specifications

• Manufacturer Part Number (MPN): BP 1-3/4
• Manufacturer: Simpson Strong-Tie
• Bolt Diameter: 1-3/4 in.
• Hole Size: 1-13/16 in.
• Width (W): 3 in.
• Length (L): 3 in.
• Thickness: 3/8 in.
• Coating Option: Hot-Dip Galvanized (HDG) available

Approved Applications

• Critical structural connections requiring load distribution beyond standard-cut washer capability
• Shearwall applications - position edge of plate washer within 1/2" of sheathed edge of track-bottom plate
• Connections exposed to the elements where HDG corrosion protection is required

Installation

• For shearwall applications, position edge of plate washer within 1/2" of sheathed edge of track-bottom plate
• No additional standard-cut washer required
• Tighten each anchor bolt with a nut and washer

Note: Product dimensions and/or screw or bolt holes may differ from picture.

Frequently Asked Questions

What bolt diameter is the BP 1-3/4 designed for, and what is the hole size?

The BP 1-3/4 is designed for use with a 1-3/4" bolt diameter. The plate features a 1-13/16" hole to accommodate that bolt size.

How does the BP 1-3/4 differ from a standard-cut washer?

The BP 1-3/4 provides a significantly greater bearing surface than standard-cut washers at critical connections. Because of this larger surface area - 3" x 3" with a 3/8" thickness - it more effectively distributes concentrated compressive forces between structural elements, reducing stress concentrations and improving overall connection integrity. No additional standard-cut washer is required during installation.

Is a corrosion-resistant coating option available for the BP 1-3/4?

Yes. The BP 1-3/4 is available with a hot-dip galvanized (HDG) coating, which provides superior corrosion resistance and makes it suitable for use in exposed or demanding environments.

What are the overall dimensions of the BP 1-3/4 bearing plate?

The BP 1-3/4 measures 3" in width, 3" in length, and 3/8" in thickness, with a 1-13/16" hole at its center.