WELCAPAC 2pcs 4 Wheel Heavy Duty Roller Assembly, Silent Industrial Steel Welded Trolley with 1800 lbs (800 kg) Capacity
by WELCAPAC
- 1. 【Heavy-Duty Load Capacity - Multi-System Compatibility】： Each 4-wheel trolley assembly supports 1,800 lbs (800 kg), designed for 1-9 wide and taller strut channels. Features an M12 bolt (80mm length) with 3 anti-loosening nuts, ideal for inverted mounting on barn door tracks or garage door rollers in heavy-load scenarios., 2. 【Military-Grade Materials - Corrosion & Wear Resistant】： Constructed with galvanized steel plates + stainless steel bearings for rustproof durability, perfect for humid environments (e.g., patio door rollers). Precision welding ensures zero deformation, extending lifespan for screen door roller replacements., 3. 【Silent Gliding - Industrial Stability】： Deep-groove ball bearings enable noiseless operation on sliding door tracks, even under full load. Bolt recess design prevents friction with Unistrut-compatible channels, enhancing smoothness for automation pulley assemblies., 4. 【Tool-Free Installation - 30-Second Setup】： Simply slide the trolley wheels (roues pour chariot) into the track and tighten the hex nut. Extra nuts allow inverted mounting for kayak trolleys or folding door rails (rail porte coulissante), adapting to diverse setups effortlessly., 5. 【All-Scenario Versatility - From Worksites to Homes】： Engineered for heavy lifting in construction sites, warehouses, and electric lifts, while doubling as premium upgrades for garage door wheels or mosquito screen door rollers (roulette porte moustiquaire). A multifunctional tool to boost productivity.
