Black A2 PZ2 Pozi CSK Chipboard Screws 4.0 x 25mm

A Black A2 Stainless Pozi Countersunk Chipboard Screw is designed for fastening suitable timber, chipboard, MDF and other engineered wood materials. Its countersunk head is designed to sit flush with the material surface when installed in a suitably prepared fixing.

The PZ2 Pozidriv recess accepts a compatible PZ2 driver bit. The A2 (304) stainless steel construction provides corrosion resistance for many general-purpose applications, while the black finish offers a darker appearance that can complement black fittings and components.

• Head type: Countersunk head.
• Drive recess: PZ2 Pozidriv.
• Material: A2 (304) stainless steel.
• Surface finish: Black finish.
• Size: 4.0 × 25mm.

These screws are suitable for general fixing and assembly applications involving timber, chipboard, MDF and other compatible wood-based materials. The countersunk head is useful where a flush surface finish is required.

Typical applications include:

• Chipboard and particle board fixing.
• MDF and engineered wood panel assembly.
• Furniture and cabinet construction.
• Interior joinery and timber fittings.
• Fixing applications where a black screw head is preferred.

Select a screw length appropriate to the thickness of the materials being joined and the required fixing engagement. Check that the countersunk head can seat correctly and that installation will not cause splitting or unwanted breakthrough.

This screw is specified as A2 stainless steel with a PZ2 Pozidriv drive and a countersunk head. Fastenerdata provides dimensional guidance for standard Pozi countersunk chipboard screws. The dimensions below should be checked against the exact product specification before being treated as confirmed manufacturer measurements.

• Material: A2 (304) stainless steel.
• Drive: PZ2 Pozidriv.
• Head type: Countersunk.
• Nominal diameter: 4.0mm.
• Overall length: 25mm.

Consult the manufacturer's product information for any specific approvals, standards or additional technical requirements. A2 stainless steel is suitable for many general-purpose environments but is not intended for every highly corrosive application.

What materials can this screw be used in?
It is designed for suitable chipboard, MDF, timber and other compatible wood-based materials.

What does PZ2 mean?
PZ2 identifies the Pozidriv drive size. Use a correctly sized PZ2 bit for proper engagement during installation.

What is the benefit of a countersunk head?
A countersunk head is designed to sit flush with the material surface when installed correctly in a suitable countersink.

What does A2 stainless steel mean?
A2 stainless steel, commonly associated with grade 304, offers corrosion resistance for many general-purpose environments.

Can these screws be used outdoors?
They may be suitable for some outdoor applications, depending on exposure and environmental conditions. A2 stainless steel is not suitable for every highly corrosive environment.

Does the black finish affect corrosion resistance?
The screw's corrosion performance depends on its stainless steel grade, the finish and the environment. Check the manufacturer's technical information for the specific finish and intended conditions of use.

Is a pilot hole required?
A pilot hole may be helpful near board edges, in harder timber or where splitting is a concern. Follow the requirements of the material and application.