4mmx20mm Countersunk Slotted Machine Screw Zinc plated (25 piece per packet)

The defining characteristic of countersunk screws is their flat head that gradually narrows into a cone, allowing them to sit flush with the surface. These screws are versatile and can be used with various materials, including wood, metal, and plastic, making them a popular choice in a wide range of applications

Aesthetics and Safety

Countersunk screws improve the products appearance and reduce the risk of snagging or injury, which is especially important in furniture and consumer goods.

Structural Integrity

Countersunk screws distribute the load evenly across the material, enhancing the assembly's structural integrity and durability.

Construction

In construction, countersunk screws are used for fastening materials like drywall or sheet metal where a smooth surface is essential. They are also used in flooring and other applications where a level surface is crucial.

Machinery and Automotive

Countersunk screws are used in machinery and automotive components where a flush surface is necessary to avoid interference with moving parts or to maintain a streamlined appearance.

Mild Steel
Diameter: 4 mm
Length: 20 mm
Thread: Standard
Grade: 4.8
Finish: Zinc Plated