1-5/8" Unistrut Trolley Rollers Twours Heavy Duty 6 Pack with Limit Hardware for Garage Doors Beam Trolleys & Overhead Conveyor Systems

1-5/8" Strut Channel Trolley Limiter Kit – Heavy-Duty 2PCS/6PCS Set with Anti-Vibration Design Universal Fit & Industrial-Grade Security Engineered for ​1-5/8" wide and taller strut channels, these ​Trolley Limiter Kits (available in ​2PCS or 6PCS) prevent trolley assemblies from derailing while confining movement to designated zones. Perfect for ​garage door tracks, ​warehouse hoists, or ​industrial conveyor systems requiring precise load positioning. Silent, Shockproof Performance Featuring ​dual-nut locking technology and ​cylindrical polyurethane rubber blocks, this design eliminates metal-on-metal clashing and absorbs ​8x more impact energy than standard rubber. ​Thick rubber pads paired with ​galvanized steel construction ensure vibration-free, whisper-quiet operation even at high RPMs—ideal for noise-sensitive environments like workshops or residential garages. Built to Endure Extreme Conditions Crafted from ​high-strength carbon steel (galvanized for rust resistance) and ​UV-stabilized polyurethane, these limiters withstand harsh weather, heavy loads, and constant friction. The ​double-nut structure locks firmly under lateral forces, while the ​M10 hex bolt ensures a crush-proof grip on strut channels. 10-Second Installation, Zero Tools Needed Simply slide the limiter onto your ​1-5/8" strut channel and tighten the ​pre-assembled M10 hex nut—no wrenches or expertise required. The ​compact design adapts seamlessly to: ​2PCS Set: Sliding barn doors, DIY loft beds, or small workshop tracks. ​6PCS Set: Factory conveyor lines, large-scale material handling systems, or multi-zone warehouse rails. Why Choose Our Trolley Limiter Kit? ​Multi-Pack Flexibility: Optimize costs with ​2PCS (home/light commercial) or ​6PCS (industrial/heavy-duty) sets. ​24/7 Customer Support: Backed by a ​24-month warranty and dedicated service team. Key Features ✔️ ​1-5/8" Strut Channel Compatibility (fits wider models) ✔️ ​Dual-Nut Locking + Polyurethane Anti-Vibration Pads ✔️ ​Galvanized Steel & Weatherproof Polymer Construction ✔️ ​2PCS/6PCS Bulk Options for Scalable Projects ✔️ ​M10 Bolt with Pre-Installed Washers for Crush Resistance Technical Specs ​Material: Carbon Steel (Galvanized) + Polyurethane ​Max Load Capacity: 1,800 lbs per limiter (static) ​Package: 2PCS or 6PCS Sets with Mounting Hardware Ideal For: ​Industrial: Overhead cranes, assembly line trolleys, Unistrut conveyor systems. ​Home & Garage: Sliding doors, gym equipment rails, storage solutions.

• [ Universal Fit & Secure Containment ] ：Compatible with ​1-5/8" wide and taller strut channels, these limit blocks prevent trolley assemblies from sliding off tracks while restricting movement within designated areas. Ideal for garage door systems, warehouse hoists, or industrial conveyor setups where precise positioning is critical.
• [ Anti-Vibration & Silent Operation ] ：Featuring ​dual-nut locking with ​cylindrical polyurethane rubber blocks, this design eliminates metal-on-metal noise and absorbs up to ​8x more impact than standard rubber. Thick rubber pads and galvanized steel construction ensure shock resistance and vibration dampening for smooth, quiet performance in high-RPM applications.
• [ Heavy-Duty Durability ] ：Crafted from ​high-strength carbon steel with galvanized coating and ​UV-resistant polyurethane, these limiters withstand extreme loads and harsh environments. The ​double-nut structure prevents loosening under lateral forces, while corrosion-resistant materials ensure longevity in humid or outdoor settings.
• [ Quick-Install Design ] ：Simply tighten the ​M10 hex nut directly onto the strut channel – no specialized tools required. Pre-installed washers protect the limiter from crushing, and the compact design adapts seamlessly to sliding rail systems, overhead trolleys, or DIY projects like loft bed tracks.
• [ Reliable Support Guarantee ] ：We provide a 24-month warranty period and a dedicated customer service team available 24/7 to assist you. If you have any questions about our products, please feel free to contact Twours. We are committed to providing you with the best possible support and assistance.