Rock Solid Number 10 Bonded Sealing Washers With Tough Vulcanized Rubber Face, Zinc Coated Steel Hardware For Bolts, Hella Weatherproof Flat Washers, 100 Piece Count, Smooth 1/2 Inch Outer Diameter
UPC:
Heavy Duty Bonded Seal Washers For Marine Trailer Hardware
✔️ #10 zinc plated alloy core sealed with durable waterproof rubber
Bonded sealing washers pair a stamped metal disc with a vulcanized rubber gasket to plug holes around fasteners fast. These bits work best on boat decks, camper roofs, and work trucks where rain gets in and turns bolts rusty.
✅ 100 unit quantity for bulk equipment jobs✅ 1/2 inch smooth outer diameter for even pressure distribution
✅ Deburred cutouts slide easily onto standard hex bolts
✅ Corrosion resistant zinc plating handles constant rain exposure
💡 How do bonded sealing washers prevent bolt thread corrosion on exposed vehicles?
The molded rubber ring drops in fast to create an immediate moisture shield that stops water from tracking down fastener shafts and triggering rust.
- Vulcanized compounds stay flexible across hot summers and cold winters
- Hardened steel bodies hold their shape when you crank down the torque
- Flared contact zones spread clamping force evenly across thin sheet metal panels