B 548 - Sliding screen door steel ball bearing roller, Bolt & Nut, 2 per pkg.
This is a roller is used on bottom mount installations. It is a 1 inch steel ball bearing roller with a 1/4 inch axle hole. The 1/4-20 x 3/4 inch carriage bolt inserts through the screen door frame and through the roller and is then secured in the bottom rail with a nut.
- 1 inch steel ball bearing roller
- 5/16 inches wide
- Concave (Grooved) roller
- Includes 1/4 inch-20 x 3/4 inch carriage bolt with nut
- Used on Sliding Screen doors and some glass patio doors
- Used on bottom mount installations