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The PRIME-LINE B 617 is a replacement roller assembly insert designed for sliding screen doors. Each assembly features an aluminum frame with a high-density polyethylene inner housing and a steel ball bearing roller measuring 1 inch in diameter with a concave profile. The insert mounts into the top or bottom channel of the screen door frame and includes a spring-loaded adjustment that moves the roller housing up or down to achieve the correct door height. Installation hardware is included. This part is sold as a 2-pack and is a cost-effective alternative to full door replacement. It is typically installed by a general contractor, handyman, or experienced homeowner.
This roller assembly is commonly found on Columbia sliding screen doors and is also used by a wide range of other patio screen door manufacturers. The mounting tab is located on the bottom of the insert body. The insert is not a universal fit - dimensions are 0.35 inches by 1.18 inches by 0.98 inches. Verify these measurements and compare with the existing roller assembly before ordering to confirm fitment. This part suits residential sliding patio screen door applications where the original roller has worn, cracked, or lost smooth travel.
Commonly used on Columbia sliding screen doors and by several other patio screen door manufacturers. This part is not universal - dimensions are 0.35 inches by 1.18 inches by 0.98 inches. Compare with the existing roller insert before purchasing.
Power tools are not required for this installation, though a Phillips-head screwdriver is typically used to secure the included mounting screws. Remove the screen door from the track before replacing the roller assemblies to prevent the door from shifting during service. After installing the new rollers, adjust the housing height so the door sits level and travels smoothly in both directions before rehinging. This part is not universal - confirm dimensions match the existing assembly before beginning work.
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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