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The PRIME-LINE PRODUCTS PL7777 is a black nylon window screen plunger latch designed to secure window screens to sliding window frames. The latch body features a nylon cap construction and is sized to fit frames measuring 3/4 inch by 3/8 inch, with compatibility for 7/16 inch frame depth as well. Each pack contains six latches, making it a practical choice for multi-window service calls or replacing worn hardware across several screens in a single visit. Window glazers, screen repair technicians, and general maintenance professionals commonly stock these as part of a standard screen hardware assortment.
This plunger latch is intended for residential sliding window applications where the screen frame must be positively retained in the window channel. The spring-loaded plunger mechanism engages the frame to prevent the screen from shifting or falling free during normal operation. Typical install scenarios include screen replacements on aluminum or vinyl sliding windows in residential housing stock where original latch hardware has become brittle, lost tension, or gone missing entirely.
Designed as a replacement plunger latch for sliding window screen frames measuring 3/4 inch by 3/8 inch or 3/4 inch by 7/16 inch. Consult frame dimensions before installation to confirm fit.
Installation requires no special tools beyond basic hand tools for screen frame disassembly. Disengage the screen from the window track before replacing any latch hardware. Confirm the replacement latch seats fully and the plunger spring returns freely before reinstalling the screen in the frame. Follow local building maintenance codes where applicable for multi-unit residential work.
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