No.3 (2.5mm) x 1/2 inch (12.5mm) Slotted Countersunk Brass Woodscrew

Brass slotted wood screw

Solid Brass slotted woodscrews with a countersunk head for a flush fit. Manufactured from solid brass that offers a natural resistance to rust and corrosion.

Ideal when more of a decorative finish is needed and typically used in restoration projects with vintage furniture, cars, modelling, and trains etc

Designed with a strong thread for great pull-out resistance, shank for strength, and a slot drive recess with a countersunk head that ensures a clean and flush finish every time.

A great combination that sees these solid brass woodscrews widely used by DIY enthusiasts and professionals alike.

12.5mm brass woodscrew specifications

• Diameter (TD): No.3 (2.5mm)
  
• Length (L): 1/2 inch (12.5mm)
  
• Thread length (TL): 7.5mm approx.
  
• Head width (HW): 5.08mm max
  
• Drive type (DT): Slot
  
• Material: Solid brass

12.5mm brass woodscrew benefits

• Solid brass for a decorative finish with natural corrosion resistance
  
• Countersunk head for a flush finish every time
  
• Suitable for a variety of materials, including wood, chipboard, and MDF
  
• Versatile uses for both indoor and outdoor applications

Why choose these brass woodscrews?

• Elegant Finish: The polished brass finish adds a refined touch, ideal for visible fixings.
  
• Corrosion-Resistant: Solid brass resists rust and tarnish, preserving appearance over time.
  
• Low-Profile Integration: Countersunk head sits flush with your surface for a sleek result.
  
• Traditional Style: Slotted head offers timeless, period-correct detail.
  
• Versatile Use: Favoured in vintage restorations, modelling, joinery, and small woodworking tasks.

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.

Brass slotted countersunk woodscrews – FAQ

What are brass slotted countersunk woodscrews used for?

Brass slotted countersunk woodscrews are commonly used in woodworking, joinery, furniture making, and restoration projects where a decorative finish is important. The countersunk head sits flush with the wood surface, and the brass material offers a visible decorative finish.

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. For example, a 2.5 - 3mm pilot hole would be ideal in hardwood for a screw that’s 4mm wide.

How do I stop brass screws from snapping?

With Brass being softer than stainless steel it always advisable to use a small pilot hole when installing Brass screws. This will help to prevent breakage, and some suggest using a steel screw first to create the thread before installing the brass one. Applying a little screw wax or soap can also help reduce friction.

Are slotted screws harder to install than crosshead screws?

Slotted screws require a little more care during installation because the driver can slip out if not aligned properly.

Using a screwdriver with a well-fitting blade and steady pressure certainly helps. For traditional or visible applications, slotted heads often look more authentic than modern drive types.

Can brass slotted countersunk screws be used outdoors?

Brass screws can naturally resist rust but can tarnish over time and lose their decorative appeal if exposed to the elements for long periods of time. 
They are best used in dry indoor environments or sheltered outdoor settings, and for long-term exposure to moisture, consider A2stainless steel woodscrews.

Will brass screws react with certain woods?

Some acidic woods, like oak or cedar, can cause brass to tarnish faster. This doesn’t affect the screw’s performance but may alter its decorative appearance over time. Using a protective finish or lacquer can help maintain the shine.

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