Nylon window screen pin

A home owner from Naperville, IL says:
I have 15 double hung windows with screens. The screens are held in place by 2 nylon pins at the top (5/32" x 7/8") with a collar of 1/4" in diameter about 1/4" from one of the ends. In addition, each screen has two spring loaded plunger latches, one on each side (part number 70-009 on your website).

Since the parts are nylon, they become brittle and break; in addition, the window washers lose them. I would like to replace the top pins with aluminum parts if you have them. I cannot find either aluminum or nylon replacements on your website. Can you help me? Please answer either way.
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Paul from SWISCO responded:
I have come across situations where the lower screen pins are our 70-009 but the top are stationary. You should be able to replace the top with the 70-009, as well, but you might have to drill out the hole further.
How to install the 70-009 window screen frame plunger pin
How to install the 70-009 window screen frame plunger pin
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How to install a screen window plunger pin
How to install a screen window plunger pin
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