Plastic screen frame corners are essential for quick, durable assembly of window and door screens. This guide highlights five reliable options that fit common frame sizes and simplify installation with square-cut designs. Each product below is chosen for durability, color consistency, and straightforward mounting. Use the quick links to compare specs and shop seamlessly.
| Product | Size / Fit | Pack Size | |
|---|---|---|---|
| Prime-Line MP7729-50 Screen Frame Corner | 5/16 in. x 3/4 in. | 50 Pack | White |
| Prime-Line PL 14336 1/4 x 5/8 In. White Plastic Corner | 1/4 in. x 5/8 in. | 20 Pack | White |
| Prime-Line MP7723-50 Screen Frame Corner | 3/8 in. x 3/4 in. | 50 Pack | White |
| Prime-Line PL 7720 Screen Frame Corners | 3/4 in. x 1/4 in. | 4 Pack | White |
| Prime-Line MP7729 Screen Frame Corner | 5/16 in. x 3/4 in. | 100 Pack | White |
Prime-Line MP7729-50 Screen Frame Corner, 5/16 In. x 3/4 In., White Plastic (50 Pack)
These plastic corners are designed to assemble 5/16 inch by 3/4 inch white screen frames. They feature a square-cut installation that speeds up construction and provides uniform joints. The corners are made from durable white plastic to withstand regular screen use and exposure to outdoor elements. Ideal for DIY screen projects or replacing worn corners on existing frames, especially when color match and ease of installation are priorities.
Prime-Line PL 14336 1/4 x 5/8 In. White Plastic Mobile Home Screen Frame Corner (20 Pack)
Designed for screens in wood-framed windows, these 1/4 inch by 5/8 inch white corners offer a square-cut profile to eliminate miters and simplify frame assembly. They are a practical choice for mobile home or light-traffic screen applications where ease of replacement and consistent fit matter. The white color helps maintain a clean, uniform look across screen frames.
Prime-Line MP7723-50 Screen Frame Corner, 3/8 In. x 3/4 In., White Plastic (50 Pack)
These corners are intended for 3/8 inch thick window screen frames, with a square-cut installation for fast assembly. The white plastic construction ensures a clean, unobtrusive look while providing reliable joint stability. They suit many standard window screen projects and help maintain a uniform frame appearance across installations.
Prime-Line PL 7720 3/4 In. x 1/4 In. Screen Frame Corners, Plastic, White (4 Pack)
This 3/4 inch by 1/4 inch corner set is built from molded white plastic and uses a square-cut design to simplify frame construction. The compact four-pack is suited for small-to-medium screen frames or for completing a project with consistent corner geometry. The corners extend slightly from the frame edge to create a stable connection point for the screen mesh.
Prime-Line MP7729 Screen Frame Corner, 5/16 In. x 3/4 In., White Plastic (100 Pack)
This larger pack expands on the 50-pack variant, offering abundant corners for bigger screen projects or multiple frames. The 5/16 inch by 3/4 inch white corners are designed for quick, square-cut installation, promoting consistent joints and long-lasting frame integrity across repeated screen replacements or seasonal refreshes.
Prime-Line MP7726 Screen Frame Corner, 7/16 In. x 3/4 In., White Plastic (100 Pack)
These 7/16 inch by 3/4 inch corners support slightly thicker screen frames, offering a robust, white molded plastic solution. The square-cut design enables fast assembly, while the white color blends with most screen frames. They are suitable for standard home improvement projects or more demanding screen installations where frame strength is a priority.
Prime-Line PL 7727 3/4 in. x 5/16 in. Screen Frame Corners, Plastic, Gray (4 Pack)
These gray plastic corners measure 3/4 inch by 5/16 inch and feature a square-cut profile for straightforward screen frame assembly. The gray molded plastic provides a neutral alternative to white, helping reduce visible wear on exterior frames and enabling consistent joint performance across multiple frames in a project.
Brixwell Outside Square Corner, White Finish, Plastic Construction
Designed as an exterior square corner, these white plastic corners are 2-1/16 inches long with a width of 45/64 inch. They are built to join outside corners of screen frame assemblies, offering lightweight support and a secure fit for exterior screen and window frame projects. The corners are packaged in pairs, suitable for completing two joints in one step and reducing project downtime.
Buying Guide: Key Purchase Considerations
When selecting plastic screen frame corners, consider frame thickness, joint strength, and installation ease. Common sizes cover 1/4, 3/8, 1/2, 5/8, and 3/4 inch thicknesses, so verify compatibility with your screen mesh and frame kit. Look for square-cut profiles that minimize miters and provide clean, predictable corners. Color consistency (white vs. gray) helps maintain a uniform appearance across frames exposed to sunlight. Pack size matters for large projects or ongoing maintenance; buying in bulk can reduce per-corner cost and simplify replacements. Finally, ensure the material resists weathering and UV exposure for exterior installations and outdoor use.
Practical considerations include whether you need a ready-to-install kit with multiple corners versus individual corners sold by the pair or in small packs. For mobile home or standard residential screens, simpler square-cut corners with consistent dimensions tend to deliver the fastest results. For higher-traffic or exterior applications, prioritize thicker corners with robust molding. Always confirm packaging details to ensure you receive the correct number of corners for your project scope.