| Product Number | ALSA0420021 |
| Description | Countersunk Phillips Machine Screw |
| Size | 5 × 45 mm |
| Material | AISI 1018 Carbon Steel |
| Surface Treatment | Eco-Friendly Zinc Plating |
| Application | Window and Door Hardware |





Door Screws are designed for fastening and installation applications involving doors, door frames, and related door hardware. Manufactured according to application requirements, these screws can be supplied in different materials, dimensions, head styles, drive types, and surface finishes to meet the needs of various door manufacturing and installation projects.
Whether used for securing door frames, hinges, handles, locks, brackets, or other door components, the right screw helps provide reliable fastening and proper assembly. We offer standard and customized door screws for manufacturers, hardware suppliers, distributors, and professional installers.
Door screws are used across a wide range of door assembly and installation applications. The appropriate screw type depends on the material being fastened, installation method, load requirements, and surrounding environment.
Common applications include:
Door frame installationDoor hinge fasteningDoor handle installationDoor lock assemblyDoor hardware installationWooden door assemblyMetal door installationInterior and exterior door applicationsCommercial and residential door systemsCustom door manufacturing
For projects requiring specific dimensions or fastening characteristics, door screws can be customized according to drawings, samples, or technical specifications.

Different door applications require different screw configurations. We can provide door screws with various specifications to match your application requirements.
| Product Number | ALSA0420021 |
| Description | Countersunk Phillips Machine Screw |
| Size | 5 × 45 mm |
| Material | AISI 1018 Carbon Steel |
| Surface Treatment | Eco-Friendly Zinc Plating |
| Application | Window and Door Hardware |
Choosing the correct screw is important for achieving proper fastening and efficient assembly. Our door screws are manufactured with attention to dimensional requirements and application compatibility.
Door screws can be manufactured according to drawings, samples, or detailed specifications.
Different steel and stainless steel options are available for different applications.
Select the head and drive configuration according to your installation requirements.
Different finishes can be provided according to application and appearance requirements.
Suitable for door manufacturers, hardware suppliers, distributors, and other industrial customers.
Production can be arranged according to project quantity and specification requirements.
| Product Number | ALSA0420021 |
| Description | Countersunk Phillips Machine Screw |
| Size | 5 × 45 mm |
| Material | AISI 1018 Carbon Steel |
| Surface Treatment | Eco-Friendly Zinc Plating |
| Application | Window and Door Hardware |