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The BSC PREFERRED W-7140 is a complete toilet bolt set designed for standard closet flange installations. The set includes two solid brass bolts, heavy-duty nuts, oval washers, and plastic retaining washers - all the hardware needed to secure a toilet to the floor flange. Brass construction resists corrosion in the wet environments typical of bathroom rough-in work. The 5/16 inch bolt diameter matches the most common residential and light commercial toilet mounting specification. Plumbers and experienced DIYers rely on complete sets like this to avoid mid-job hardware runs.
This bolt set is suited for residential toilet installations where the existing closet flange accepts standard 5/16 inch closet bolts. It works in new construction rough-in as well as toilet replacement and reset applications. The included retaining washers hold the bolts upright in the flange slot during toilet placement, simplifying single-person installation. All hardware in the set is included in a single package sold as one complete unit.
Designed as an OEM-style replacement or new-installation hardware set for standard residential toilet closet flange connections accepting 5/16 inch closet bolts.
Installation is typically performed by a licensed plumber or experienced tradesperson following local plumbing code requirements. Shut off the water supply and fully drain the tank and bowl before removing or resetting any toilet. Slide the closet bolts into the flange keyway slots and use the plastic retaining washers to hold them vertical before lowering the toilet onto the wax ring. Do not overtighten nuts onto the porcelain base - snug plus a quarter turn is the standard practice to avoid cracking the toilet base.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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