5mm (No.10) x 20mm Slotted Raised Countersunk Wood Screw, A2 Stainless Steel, DIN 95

Corrosion resistant wood screw

Corrosion resistant 5 x 20mm slot raised countersunk wood screw manufactured from A2 stainless steel that provides excellent corrosion resistance, making it perfect for both indoor and outdoor applications.

Designed with a raised countersunk head that provides a flush but slightly domed finish, a strong thread for great pull-out resistance, shank for strength, and a slot drive which makes them compatibility with standard flat-blade screwdrivers.

A combination that sees these stainless-steel wood screws widely used across many sectors by DIY enthusiasts and professionals alike.

20mm raised countersunk wood screw specifications

• Diameter (D): 5mm (No.10)
  
• Length (L): 20mm
  
• Thread length (TL): 12mm approx.
  
• Head width (HW): 9.6mm max
  
• Domed head height (HH): 1.2mm
  
• Drive type (DT): Slot
• Material: A2 stainless steel
  
• Standard: DIN 95

30mm raised countersunk wood screw benefits

• A2 Stainless Steel for high corrosion resistance
• Raised countersunk head for a flush but slightly domed finish
  
• Suitable for a variety of materials, including wood, chipboard, and MDF
  
• Versatile uses for both indoor and outdoor applications

Part of a larger range of wood screws from Fusion Fixings. Quantities start from just one to as many as you need to get the job done, with bulk price discounts.

Frequently asked questions about raised countersunk wood screws

What head finish and appearance should I expect?

The raised countersunk head gives a neat, finished look and sits slightly proud of the surface but blends in nicely. With stainless steel, the finish is silvery and corrosion-resistant, making it suitable for visible fixings where appearance matters

What does the “raised countersunk” head do compared to regular countersunk?

A raised countersunk head (sometimes called oval countersunk) means the head is slightly domed above the materials surface and giving a decorative finish.

Can I use these screws outdoors or in marine environments?

These screws are manufactured in A2 stainless steel offering a high level of corrosion-resistant, making these screws suitable for many internal and external projects. For areas near salt water and marine environments, A4 stainless steel is recommended for longer lasting results.

What size pilot hole should I drill?

For hardwoods, a pilot hole slightly smaller than the screw diameter is recommended. For softwoods, the pilot hole can be narrower or sometimes skipped.

Can you use stainless wood screws in outdoor, treated, or tannin-rich woods (like cedar/redwood)?

Yes, stainless steel is recommended in treated lumber and tannin-rich woods to prevent staining and corrosion. For coastal areas, A4 stainless steel is the best which offers as much higher level of corrosion resistance.

How do stainless fasteners compare in strength to other steels?

A2 stainless steel offers high corrosion resistance needed for external use, but it is generally not as hard or high tensile as carbon steel. Stainless steel screws are still more than adequate for most wood fixing jobs.