3 - 3470 Carriage Adjustable Roller

Carriage Adjustable & Roller for Screen Doors | 3-3470 The Rolltrak R3470 is a 27mm adjustable plastic carriage and acetal roller system designed specifically for sliding security screen doors. This durable hardware component features a smooth-rolling delrin wheel with integrated bearing, adjustable height positioning, and a 15kg load capacity to support standard residential screen door applications. The acetal roller construction ensures long-lasting performance and smooth operation. For replacement rollers, use the compatible 3-4180 model. Ideal for homeowners and installers looking for reliable, adjustable screen door hardware that combines functionality with durability.