Decking Accessories & Components

WPC clips are essential for installing WPC decking as they enable a concealed fastening system, creating a clean and seamless appearance without visible screws or nails on the surface. They allow for uniform spacing between boards while ensuring a secure and stable connection.

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WPC clips are essential for installing WPC decking as they enable a concealed fastening system, creating a clean and seamless appearance without visible screws or nails on the surface. They allow for uniform spacing between boards while ensuring a secure and stable connection.

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WPC clips are essential for installing WPC decking as they enable a concealed fastening system, creating a clean and seamless appearance without visible screws or nails on the surface. They allow for uniform spacing between boards while ensuring a secure and stable connection.

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Otter Deck Spacers (Pack of 3) are designed to help you achieve perfectly consistent gaps between decking boards on both residential and commercial projects, ensuring a professional, uniform finish every time.

Key Features

• Application suitability – Ideal for timber and composite decking in residential backyards, patios, and light commercial decks.
• Function – Precisely maintains even spacing between boards for accurate alignment and clean, straight deck lines.
• Material – Manufactured from robust, high-quality plastic that resists warping, swelling, and moisture damage.
• Ease of use – Simple to position between boards and remove, making them suitable for both DIY users and professionals.
• Results – Delivers consistent gaps that improve drainage, airflow, and the overall appearance of the finished deck.
• Durability – Tough construction allows repeated use across multiple decking projects without loss of shape.
• Pack contents – Supplied as a convenient pack of 3 spacers, providing ample support for efficient board installation.

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Perfect for hardwood to softwood under-constructions.

Advantages

• Offers a high degree of weather resistance.
• The self-drilling tip makes installation quick and easy.
• Small head diameter and underhead pockets ensure the head can sink cleanly and easily.
• Timber is protected from tearing or splitting by the drill tip.
• Available in 304 and 316 stainless steel.
• Also available in a 304 vintage finish and 316 black finish.

Applications

• Terrace decking on timber substructures
• Cladding

Building Materials

• Accoya
• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Functioning

• TX drive — Optimum torque transmission, a tight and snug fit, and fast centering.
• Raised countersunk head — Milling pockets and small diameter give a discreet, subtle appearance and allow the head to sink cleanly and easily.
• Asymmetrical thread — Reduced drive-in torque, high overtorque, and easy screw-in.
• Optimised drilling tip — Quick, easy, and safe positioning and installation with reduced timber splitting — ideal for deck construction.
• 304 & 316 stainless steel — High corrosion and weather resistance, increased fracture torque, suitable for outdoor use and close-to-water applications.

For best results, we recommend pre-drilling and pre-countersinking holes.

Tip

Protection: Harsh chemical cleaners for timber may damage the screw surface. Please wash any residue off immediately for longer enjoyment.

Recommendation: Our black coated HS decking screws are best used for surfaces with low mechanical stress. In decking areas with heavy foot traffic, we recommend the screws with our silver stainless finish.

Unique and stylish finish for your decking and cladding with steel substructures.

Advantages

• 316 stainless steel with additional zinc-coated steel tip offers a high degree of weather resistance
• The self-drilling tip makes installation quick and easy
• Small head diameter ensures the head can sink in cleanly and easily
• Timber is protected from tearing or splitting by the drill tip
• Smooth head for a perfect barefoot-proof finish

Functioning

• SIT® drive (TX compatible) — Optimum torque transmission, a tight and snug fit, and fast centering.
• High-efficiency thread — Anti-friction coating reduces drive-in torque.
• Aggressive drilling tip with wings — Cuts a clearance hole for decks with a steel under-construction. Quick, easy and safe work without pre-drilling for steel thickness 1.25–3.0 mm.
• 316 stainless steel with zinc-coated tip — High corrosion and weather resistance, increased fracture torque, suitable for outdoor use and close-to-water applications.

Instructions for Use

• Drive in the fastener at high to maximum speed using a cordless or electric drill.
• As soon as you hit the metal substructure, reduce speed and increase the pressure slightly.
• Do not overdrive — stop as soon as the screw head is level with the surface.
• Only use a drill driver (cordless or corded). Do not use an impact driver.

Applications

• Decking and cladding to steel substructures

Building Materials

• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Unique and stylish finish for your fencing, screening and cladding with steel substructures.

Advantages

• Carbon steel screw with Delta®-Seal coating for better corrosion protection
• Suitable for fencing
• Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure (for those applications, consider our stainless 316/bimetal screws)
• The self-drilling tip makes installation quick and easy
• Small head diameter ensures the head can sink in cleanly and easily
• Timber is protected from tearing or splitting by the drill tip
• Smooth head for a perfect finish — no need to sand timber after installation
• Available in silver, brown and black finishes

Functioning

• SIT® drive (TX compatible) — Optimum torque transmission, a tight and snug fit, and fast centering.
• High-efficiency thread — Anti-friction coating reduces drive-in torque.
• Aggressive drilling tip with wings — Cuts a clearance hole for timber and through the steel frame. Quick, easy and safe work without pre-drilling for steel thickness 1.25–3.0 mm.
• Delta®-Seal coating — High corrosion and weather resistance, increased fracture torque, and suitable for outdoor use where stainless steel is not required.

Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure. For those applications, consider our stainless 316/bimetal screws.

Instructions for Use

• Drive in the fastener at high to maximum speed using a cordless or electric drill.
• As soon as you hit the metal substructure, reduce speed and increase the pressure slightly.
• Do not overdrive — stop as soon as the screw head is level with the surface.
• Only use a drill driver (cordless or corded). Do not use an impact driver.

Applications

• Fencing

Building Materials

• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Tip

Protection: Harsh chemical cleaners for timber may damage the screw surface. Please wash any residue off immediately for longer enjoyment.

Note: Delta®-Seal coating is not suitable for areas subject to sea water, salt-chlorinated pools, harsh or aggressive environments (including cleaners), or extreme UV exposure. For these applications, please see our 316 stainless steel alternative.

Unique and stylish finish for your fencing, screening and cladding with steel substructures.

Advantages

• Carbon steel screw with Delta®-Seal coating for better corrosion protection
• Suitable for fencing
• Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure (for those applications, consider our stainless 316/bimetal screws)
• The self-drilling tip makes installation quick and easy
• Small head diameter ensures the head can sink in cleanly and easily
• Timber is protected from tearing or splitting by the drill tip
• Smooth head for a perfect finish — no need to sand timber after installation
• Available in silver, brown and black finishes

Functioning

• SIT® drive (TX compatible) — Optimum torque transmission, a tight and snug fit, and fast centering.
• High-efficiency thread — Anti-friction coating reduces drive-in torque.
• Aggressive drilling tip with wings — Cuts a clearance hole for timber and through the steel frame. Quick, easy and safe work without pre-drilling for steel thickness 1.25–3.0 mm.
• Delta®-Seal coating — High corrosion and weather resistance, increased fracture torque, and suitable for outdoor use where stainless steel is not required.

Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure. For those applications, consider our stainless 316/bimetal screws.

Instructions for Use

• Drive in the fastener at high to maximum speed using a cordless or electric drill.
• As soon as you hit the metal substructure, reduce speed and increase the pressure slightly.
• Do not overdrive — stop as soon as the screw head is level with the surface.
• Only use a drill driver (cordless or corded). Do not use an impact driver.

Applications

• Fencing

Building Materials

• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Tip

Protection: Harsh chemical cleaners for timber may damage the screw surface. Please wash any residue off immediately for longer enjoyment.

Note: Delta®-Seal coating is not suitable for areas subject to sea water, salt-chlorinated pools, harsh or aggressive environments (including cleaners), or extreme UV exposure. For these applications, please see our 316 stainless steel alternative.

Unique and stylish finish for your fencing, screening and cladding with steel substructures.

Advantages

• Carbon steel screw with Delta®-Seal coating for better corrosion protection
• Suitable for fencing
• Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure (for those applications, consider our stainless 316/bimetal screws)
• The self-drilling tip makes installation quick and easy
• Small head diameter ensures the head can sink in cleanly and easily
• Timber is protected from tearing or splitting by the drill tip
• Smooth head for a perfect finish — no need to sand timber after installation
• Available in silver, brown and black finishes

Functioning

• SIT® drive (TX compatible) — Optimum torque transmission, a tight and snug fit, and fast centering.
• High-efficiency thread — Anti-friction coating reduces drive-in torque.
• Aggressive drilling tip with wings — Cuts a clearance hole for timber and through the steel frame. Quick, easy and safe work without pre-drilling for steel thickness 1.25–3.0 mm.
• Delta®-Seal coating — High corrosion and weather resistance, increased fracture torque, and suitable for outdoor use where stainless steel is not required.

Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure. For those applications, consider our stainless 316/bimetal screws.

Instructions for Use

• Drive in the fastener at high to maximum speed using a cordless or electric drill.
• As soon as you hit the metal substructure, reduce speed and increase the pressure slightly.
• Do not overdrive — stop as soon as the screw head is level with the surface.
• Only use a drill driver (cordless or corded). Do not use an impact driver.

Applications

• Fencing

Building Materials

• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Tip

Protection: Harsh chemical cleaners for timber may damage the screw surface. Please wash any residue off immediately for longer enjoyment.

Note: Delta®-Seal coating is not suitable for areas subject to sea water, salt-chlorinated pools, harsh or aggressive environments (including cleaners), or extreme UV exposure. For these applications, please see our 316 stainless steel alternative.

Decking Screw T17 EM Coated 10g x 50mm (Box of 1000) is engineered for secure, long-lasting timber decking installations, providing strong hold, clean finishes, and reliable performance in demanding outdoor environments.

Key Features

• Application suitability – Ideal for fixing timber decking boards to softwood or pre-drilled hardwood joists in exterior projects.
• Design – Type 17 self-drilling point and deep thread profile for fast, split-resistant penetration and superior pull-out strength.
• Material quality – Manufactured from high-quality steel for consistent performance and reliable structural fastening.
• Durability – EM corrosion-resistant coating helps protect against rust, moisture, and weathering for extended service life.
• Installation – Sharp point and self-drilling action reduce the need for pre-drilling in softwoods, speeding up installation and reducing labour.
• Maintenance – Secure, long-lasting fixings minimise board movement and reduce the need for ongoing adjustments or replacements.
• Versatility – Suitable for decks, boardwalks, steps, and other outdoor timber structures where a strong, discreet fixing is required.

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Unique and stylish finish for your fencing, screening and cladding with steel substructures.

Advantages

• Carbon steel screw with Delta®-Seal coating for better corrosion protection
• Suitable for fencing
• Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure (for those applications, consider our stainless 316/bimetal screws)
• The self-drilling tip makes installation quick and easy
• Small head diameter ensures the head can sink in cleanly and easily
• Timber is protected from tearing or splitting by the drill tip
• Smooth head for a perfect finish — no need to sand timber after installation
• Available in silver, brown and black finishes

Functioning

• SIT® drive (TX compatible) — Optimum torque transmission, a tight and snug fit, and fast centering.
• High-efficiency thread — Anti-friction coating reduces drive-in torque.
• Aggressive drilling tip with wings — Cuts a clearance hole for timber and through the steel frame. Quick, easy and safe work without pre-drilling for steel thickness 1.25–3.0 mm.
• Delta®-Seal coating — High corrosion and weather resistance, increased fracture torque, and suitable for outdoor use where stainless steel is not required.

Not suitable for use around pools, close to the waterline, or in aggressive environments or areas with extreme UV exposure. For those applications, consider our stainless 316/bimetal screws.

Instructions for Use

• Drive in the fastener at high to maximum speed using a cordless or electric drill.
• As soon as you hit the metal substructure, reduce speed and increase the pressure slightly.
• Do not overdrive — stop as soon as the screw head is level with the surface.
• Only use a drill driver (cordless or corded). Do not use an impact driver.

Applications

• Fencing

Building Materials

• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Tip

Protection: Harsh chemical cleaners for timber may damage the screw surface. Please wash any residue off immediately for longer enjoyment.

Note: Delta®-Seal coating is not suitable for areas subject to sea water, salt-chlorinated pools, harsh or aggressive environments (including cleaners), or extreme UV exposure. For these applications, please see our 316 stainless steel alternative.

Perfect for hardwood to softwood under-constructions.

Advantages

• Offers a high degree of weather resistance.
• The self-drilling tip makes installation quick and easy.
• Small head diameter and underhead pockets ensure the head can sink cleanly and easily.
• Timber is protected from tearing or splitting by the drill tip.
• Available in 304 and 316 stainless steel.
• Also available in a 304 vintage finish and 316 black finish.

Applications

• Terrace decking on timber substructures
• Cladding

Building Materials

• Accoya
• Merbau
• Spotted Gum
• Blackbutt
• Tallowwood
• Stringybark
• Karri
• Sydney Bluegum
• Jarrah
• Ironbark
• Tasmanian Oak
• Victorian Ash
• Grey Box
• Oak

Functioning

• TX drive — Optimum torque transmission, a tight and snug fit, and fast centering.
• Raised countersunk head — Milling pockets and small diameter give a discreet, subtle appearance and allow the head to sink cleanly and easily.
• Asymmetrical thread — Reduced drive-in torque, high overtorque, and easy screw-in.
• Optimised drilling tip — Quick, easy, and safe positioning and installation with reduced timber splitting — ideal for deck construction.
• 304 & 316 stainless steel — High corrosion and weather resistance, increased fracture torque, suitable for outdoor use and close-to-water applications.

For best results, we recommend pre-drilling and pre-countersinking holes.

Tip

Protection: Harsh chemical cleaners for timber may damage the screw surface. Please wash any residue off immediately for longer enjoyment.

Recommendation: Our black coated HS decking screws are best used for surfaces with low mechanical stress. In decking areas with heavy foot traffic, we recommend the screws with our silver stainless finish.

10 x 65mm

• Torx Drive - 6 point contacts of contact for better driver grip
  
• Stainless Steel for corrosion resistance
• Handy jar pack for easy storage

The MFD countersunk ribbed head decking type 17 screws, 10 gauge by 50 mm, provide strong performance in decking applications. Their ribbed head enhances grip and prevents pull-through, while the type 17 point ensures easy penetration without pre-drilling. Supplied in a box of 1000, these screws are a cost-effective choice for both professionals and DIY projects, ensuring durability and strength.

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Macsim Builders Mate Decking Countersunk Self-Embedding Head Square Drive T17 304 Stainless Steel Screw 10g x 65mm (Box of 500) is engineered for high-quality, corrosion-resistant timber decking installations, delivering secure fixing and a clean, professional finish in demanding outdoor environments.

Key Features

• Application suitability – Ideal for exterior timber decking, joists, and general outdoor carpentry where long-term structural integrity is critical.
• Design – Countersunk, self-embedding head provides a flush finish that reduces timber splitting and improves aesthetics.
• Material quality – Manufactured from 304 stainless steel for excellent corrosion resistance in most outdoor and coastal conditions.
• Durability – Resists rust, staining, and weather-related degradation, helping extend the life and appearance of your deck.
• Installation – Square drive and T17 self-drilling point offer strong bit engagement and fast, controlled driving with reduced cam-out.
• Maintenance – Low-maintenance fastener choice that minimises staining and screw-related deck repairs over time.
• Versatility – Suitable for a wide range of treated and hardwood timbers, making it a go-to screw for professional and DIY decking projects.

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