Screw-ST4*12-Hexagon socket countersunk head and sharp tail self-attack

Meet the Screw-ST4x12 hex-socket countersunk self-tapping screw — a compact fastener designed to deliver a clean, professional finish in a variety of projects. The combination of a low-profile countersunk head and a sharp self-tapping tip allows you to secure joints quickly while keeping surfaces smooth and uncluttered.

Key features that make a difference

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  Drive and head: hex-socket (Allen) drive paired with a countersunk head for a flush seat that disappears into the surface.
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  Size and precision: ST4 x 12 — 4 mm nominal shank diameter with 12 mm overall length, ideal for lightweight assemblies and thin panels.
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  Self-tapping capability: sharp tip designed to cut its own threads in compatible materials, reducing the need for pre-threading and speeding up installation.
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  Material versatility: well-suited for wood, soft plastics, and thin metal or composite panels where a low-profile fastener is desired.

Why this screw stands out

Unlike standard screws that require pre-drilling or additional hardware, the Screw-ST4x12’s self-tapping tip creates secure threads as you drive it, minimizing the steps in your workflow. The countersunk head sits flush with the surface, providing a neat, finished look on furniture, cabinetry, enclosures, and panel assemblies. The hex socket drive ensures controlled torque, reducing the risk of over-tightening while maintaining a strong hold.

Ideal use cases

• Furniture assembly and repair where a low-profile, clean exterior is important
• Cabinetry, shelving, and interior panel mounting
• DIY projects involving thin wood panels, plastic housings, or lightweight metal sheets
• Trim, edging, and decorative applications where a discreet fastener is preferred

Practical installation tips

• For soft woods and plastics, drive the screw directly to achieve a secure, flush finish. For harder materials, consider a small pilot hole to guide the threads and prevent splitting.
• Use a hex key that fits snugly in the socket to maintain full control of torque and seating depth.
• Avoid over-tightening to preserve material integrity and prevent stripping the threads.

Choose the Screw-ST4x12 hex-socket countersunk self-tapping screw when you need a compact, reliable fastener that bonds well to soft materials while maintaining a sleek, finished look. Its targeted size, flush head, and self-tapping tip make it a practical choice for efficient assemblies and high-quality results in everyday projects.