4mm (No.8) x 12mm Pozi Countersunk Full-Thread Chippy Wood Screws, A2 (304) Stainless Steel

Corrosion resistant chippy wood screw

4 x 12mm Pozi countersunk chippy screw with a full thread and manufactured in A2 stainless steel. A professional-grade wood screw with high corrosion resistance making them ideal for both internal and prolonged external use.

Its Pozi (Phillips-type) drive head allows for a secure grip and easy installation with reduced cam-out risk, while the countersunk head allows for a flush, professional finish every time.

A combination that sees these corrosion resistant chippy wood screws used by both DIY enthusiasts and professionals alike across many industries.

Chippy screw specifications:

• Thread diameter (TD): 4mm (No.8)    
• Length (L): 12mm
• Head width (HW): 8mm max
• Head style: Countersunk (flush finish)
• Thread type (TL): Fully threaded (ideal for high grip and pull-out strength)
• Drive type: Pozi drive
• Material: A2 (304) Stainless Steel
  

Chippy screw key benefits:

• Corrosion resistant: A2 (304) stainless steel for high corrosion resistance making them ideal for internal and external applications.
• Flush finish: Countersunk head allows for a flush, neat finish.
• Secure grip: Pozi head design reduces tool slippage and stripping during installation.
• Full threading: Enhances grip throughout the screw’s length, perfect for thin board materials or where maximum hold is required.
• Versatile: Common in cabinetry, furniture making, decking frame construction, and joinery.
  

Chippy screws applications:

• Fixing various wooden flooring and backboards
• Assembly of furniture units and carcasses
• Kitchen and cabinet installations
• General carpentry and DIY projects
  

Part of a larger range of corrosion resistant chipboard screws from Fusion Fixings.

Do I need to pre-drill for chippy screws?

In most cases, no pilot hole is required because chippy screws are self-tapping. However, pre-drilling is recommended for very thin materials or when working close to edges to avoid splitting.

Are these screws suitable for outdoor use?

Yes, these chippy screws offer a high level of resistant to corrosion making them idea for internal and long-term external use.  

What is a Pozi (Pozidriv) screw head?

A Pozi drive is a cross-head design that provides better grip and reduced cam-out compared to Phillips, making it easier for a quick installation.

Why are chippy screws fully threaded?

Full threading allows the screw to grip the material along its entire length, improving holding strength and pull-out resistance in various material.

Will these screws sit flush with the surface?

Yes, the countersunk head design allows the screw to sit flush with the material, giving a clean, professional finish. 

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