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The BSC PREFERRED DIB835-00 is a replacement bolt set designed for toilet seat hinges. Each bolt features a flat, beveled head engineered for countersinking, allowing the fastener to sit flush with the hinge mounting surface. Sized at 0.375 inches in diameter by 2.5 inches in length, these bolts are finished in polished brass for corrosion resistance and a clean appearance. Plumbers and maintenance technicians reach for this part when restoring loose or damaged toilet seat assemblies to proper function.
These bolts are suited for residential and light commercial plumbing applications where toilet seat hinge hardware has stripped, corroded, or gone missing. The countersunk flat head design is compatible with standard seat hinge profiles that require a recessed fastener seating. Installation is straightforward and requires only basic hand tools, making this a common item on service call trucks and facility maintenance carts.
Designed as an OEM-style replacement for standard toilet seat hinges requiring a 0.375 inch countersunk flat-head bolt.
Installation is performed by a plumber or qualified maintenance technician. Shut off the water supply and drain the tank before beginning any toilet seat service to keep the work area clear. Use appropriate hand tools to remove old or damaged bolts before seating the replacement hardware flush using the beveled countersink. Follow local plumbing codes (IPC) for any fixture hardware replacement in commercial settings.
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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