This roller assembly with M shaped tension spring with a 1 in high density polyethylene ball bearing roller is used by several patio door manufacturers. The heat-treated tension spring is 2-5/16 in L and shaped like an M giving it the tension needed by the screen door to slide properly.
High-density polyethylene ball bearing roller is will not rust and will roll smoothly
High-density polyethylene ball bearing roller is will not rust and will roll smoothly
Heat-treated M-shaped tension spring
This roller assembly with M shaped tension spring with a 1 in high density polyethylene ball bearing roller is used by several patio door manufacturers. The heat-treated tension spring is 2-5/16 in L and shaped like an M giving it the tension needed by the screen door to slide properly.
High-density polyethylene ball bearing roller is will not rust and will roll smoothly
High-density polyethylene ball bearing roller is will not rust and will roll smoothly
Heat-treated M-shaped tension spring
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This roller assembly with M shaped tension spring with a 1 in high density polyethylene ball bearing roller is used by several patio door manufacturers. The heat-treated tension spring is 2-5/16 in L and shaped like an M giving it the tension needed by the screen door to slide properly.
High-density polyethylene ball bearing roller is will not rust and will roll smoothly
High-density polyethylene ball bearing roller is will not rust and will roll smoothly
