Roller for sliding screen door

A home owner from MN says:
Do you have this roller? I didn't see it. I see a similar one, but none with grove on metal piece.
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Tom from SWISCO responded:

I'm afraid we don't have a version of this roller with a groove like that. Can you tell me what the function of that groove is? Is it an essential detail?

A home owner from MN says:
I believe the groove is so roller can be adjusted with the screw.
Door does not have details of manufacturer. We were also told the company is out of business.
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Dave Sr. from SWISCO responded:

These types of patio screen door rollers are used with the adjustment screw like the 84-502. Yours with the groove is nice to have because it helps keep the screw lined up with the wheel, but the groove itself not that crucial in adjusting the wheel. Ours should still work without it.

A home owner from MN says:
Ok, I will try
A home owner from MN says:
Will both of the screws work for the nylon roller? Or is the white one for the nylon roller and dark one for the metal roller?
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Dave Sr. from SWISCO responded:

The 84-502 is 1" long and the 84-506 is 1-5/8" long. Assuming you can't reuse your old screw, you need to determine which length you need.

84-008 : Screen Door Roller, Nylon Wheel
Screen Door Roller, Nylon Wheel
84-008
$1.78
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84-008M : Screen Door Roller, Steel Ball Bearing Wheel
Screen Door Roller, Steel Ball Bearing Wheel
84-008M
$2.86
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84-502 : #8 x 1
#8 x 1" SS Adjusting Screw
84-502
$0.57
VIEW >
84-506 : #8 x 1-5/8
#8 x 1-5/8" SS Adjusting Screw
84-506
$0.80
VIEW >
How to repair a spring roller on a sliding screen door
How to repair a spring roller on a sliding screen door
VIDEO
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