3" x 3" Square Washer, 5/8" Bolt Size, 1/4" Thick, Hot Dip Galvanized Steel (Box of 60)

Ideal for timber construction, sill plates, and seismic retrofitting where a larger bearing surface is required to prevent bolt heads from pulling through wood.

The Hot Dip Galvanized finish provides superior corrosion resistance, making these washers suitable for exterior use and pressure-treated lumber (ACQ).