The Simpson Strong-Tie BP 1-3HDG Bearing Plate is a hot-dip galvanized structural plate washer engineered to distribute concentrated compressive forces across a greater bearing surface than standard-cut washers can provide. With a 3 in. x 3 in. footprint and 3/8 in. thickness, this plate washer transfers load between structural elements at anchor bolt connections - making it a dependable choice for shearwall assemblies, sill plate connections, and other critical structural applications where both load distribution and corrosion resistance are non-negotiable.

Key Features

• 3 in. x 3 in. bearing surface with 3/8 in. thickness - delivers significantly greater load distribution than standard-cut washers, reducing stress concentration at critical connection points
• 1-1/16 in. hole sized for 1 in. bolt diameter - provides a precise fit for 1 in. anchor bolts while remaining compatible with the most common bolt sizes from 3/8 in. through 1 in.
• Hot-dip galvanized finish - provides robust corrosion resistance, making this plate washer suitable for demanding applications and exposed structural environments
• Approved for shearwall applications - can be positioned with the plate edge within 1/2 in. of the sheathed sill plate edge, meeting the placement requirements for single- and double-sheathed 2x6 wall assemblies
• Replaces standard-cut washers - upgrades anchor bolt connections with a purpose-built structural plate that meets the performance demands of critical load-path connections

Why This Product

• Purpose-built for structural load distribution - the 3 in. x 3 in. plate transfers compressive forces over a far larger area than a standard-cut washer, reducing the risk of localized bearing failure at anchor bolt connections
• Shearwall-ready geometry - explicitly approved for shearwall use and sized to satisfy the 1/2 in. edge-placement requirement at sheathed sill plates in both single- and double-sheathed 2x6 wall assemblies, saving layout time in the field
• Hot-dip galvanized for lasting corrosion resistance - the HDG coating protects the plate in applications where moisture exposure or environmental conditions would compromise an uncoated or lightly coated washer over time
• Broad bolt compatibility from a single plate - accommodates anchor bolt diameters from 3/8 in. through 1 in., so one plate model covers the most common configurations found in residential and light commercial structural connections

Specifications

• Model No.: BP 1-3HDG
• Bolt Diameter: 1 in.
• Hole Size: 1-1/16 in.
• Width (W): 3 in.
• Length (L): 3 in.
• Thickness: 3/8 in.
• Coating / Material: Hot-Dip Galvanized

Approved Applications

• Critical structural connections requiring enhanced load distribution over standard-cut washers
• Shearwall applications - position the edge of the plate washer within 1/2" of the sheathed edge of the sill plate
• Single- and double-sheathed 2x6 wall assemblies
• Anchor bolt connections utilizing the most common bolt sizes from 3/8" through 1"

Installation Notes

• For shearwall applications, position the edge of the plate washer within 1/2" of the sheathed edge of the sill plate.
• BPS-6 plate washers are sized to accommodate the 1/2" requirement from the sheathed edge in single- and double-sheathed 2x6 walls.
• A standard-cut washer is required when used with BPS slotted bearing plates.

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

Frequently Asked Questions

What anchor bolt sizes is the BP 1-3HDG compatible with?

The BP 1-3HDG bearing plate is sized to accommodate the most common anchor bolt sizes, including 3/8", 1/2", 5/8", 3/4", 7/8", and 1" diameter bolts. Its 1-1/16" hole size is specifically designed for use with a 1" bolt diameter.

Why would I use this bearing plate instead of a standard-cut washer?

The BP 1-3HDG provides a greater bearing surface than standard-cut washers thanks to its 3" x 3" footprint and 3/8" thickness. This larger surface area more effectively distributes concentrated compressive forces between two structural elements, making it the preferred choice at critical structural connections where enhanced load distribution is required.

Is the BP 1-3HDG suitable for outdoor or high-moisture environments?

Yes. The BP 1-3HDG features a Hot-Dip Galvanized (HDG) finish, which provides higher corrosion resistance compared to standard finishes, making it well suited for applications where exposure to moisture or corrosive conditions is a concern. For applications where a different aesthetic or finish is preferred, the bearing plate is also available in a black powder coat finish.

Are there any specific installation requirements for shearwall applications?

Yes. When used in shearwall applications, the edge of the BP 1-3HDG plate washer should be positioned within 1/2" of the sheathed edge of the sill plate. The plate is also approved for use in both single- and double-sheathed 2x6 wall assemblies.