10Gx65 Modwood Timber Decking Screw 316SS
From $92.96 each, Inc. GST
10Gx65 Modwood Timber Decking Screw 316SS is the go-to fastener for Modwood decking installations in coastal, poolside and other high-corrosion environments.
Benefits of 10Gx65 Modwood Timber Deck Screws
- Superior corrosion resistance with grade 316 stainless steel in salt air and poolside environments
- Clean, powerful drilling through composite boards with type 17 auger tip & tri-lobar shank
- Enjoy reduced cam-out during installation with an extra deep star drive recess
- Reverse thread to prevent mushrooming on the board surface
The 316SS is the recommended screw wherever salt air, pool chemicals or ongoing moisture exposure are part of the environment, giving you confidence the fasteners will last as long as the deck itself. Available in matching colours to complement your Modwood composite deck and sold in packs of x100.
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Description
The 10Gx65 Modwood Timber Decking Screw 316SS shares all the same mechanical features as its 305SS counterpart, but the grade 316 stainless steel construction makes it the right choice when corrosion is a genuine risk. If your project is near the coast, around a swimming pool or anywhere that salt air or moisture exposure is ongoing, 316SS is the specification you need.
Key Features of 10Gx65 Modwood Timber Decking Screw 316SS
- Grade 316 stainless steel — recommended for salt air, coastal and poolside installations
- Type 17 auger tip designed for composite decking up to 25mm on timber substructures
- Tri-lobar shank and acute thread angle for increased driving power and cleaner penetration
- Approved for use with ACQ treated timber
Why choose the 316SS Modwood Timber Decking Screws?
Stainless steel grade in a decking screw might not seem like a big decision, but get it wrong and you’ll be dealing with rust stains on a brand new deck, or worse – compromised fasteners in a structure you can’t easily access. The 316SS grade contains molybdenum, which gives it meaningfully better resistance to the kind of ongoing salt and chemical exposure found in coastal and poolside environments.
Pre-drill with a 4.8mm bit before installation, and use the Modwood Deck Screw Depth Setter to keep every head sitting flush across the whole deck.
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FAQs
What makes a 316SS decking screw different from a 305SS decking screw?
The difference is in the grade of stainless steel. Grade 316 contains molybdenum, which gives it significantly better resistance to corrosion in environments where salt, moisture or chemicals are present. If your project is near the coast, around a pool or in any other high-corrosion setting, 316SS is the right choice.
What is the Modwood timber decking screw designed for?
These screws are designed for attaching Modwood composite decking boards to timber substructures - covering starter boards, end boards, steps, screening and fascia applications.
Do I need to pre-drill before installing Modwood screws?
Yes. Pre-drilling Modwood decking is mandatory before installing any fasteners. Use a 4.8mm drill bit. For dense hardwood substructures, pre-drilling the framing is also a good idea to make driving cleaner and easier.
How do I get a consistent flush finish on the screw heads?
The Modwood Deck Screw Depth Setter is designed exactly for this. It takes the guesswork out of seating depth and helps you get a clean, consistent finish across the entire deck without over or under-driving.
Are these screws suitable for use near a swimming pool?
Yes. The 316SS grade is specifically recommended for poolside installations where ongoing exposure to moisture and pool chemicals increases the risk of corrosion.
Can I use these screws with ACQ treated timber?
Yes. The 316 stainless steel construction is approved for use with ACQ treated timber framing, making it compatible with most H4 treated substructures.
What drive type are these screws?
These screws feature an extra deep star drive recess, which reduces cam-out significantly compared to Phillips or square drive. Use a good quality star drive bit for best results.
What is the function of tri-lobar shank on decking screws?
The tri-lobar shank reduces friction as the screw drives through the composite material, resulting in cleaner penetration, less heat build-up and easier driving.
How far from the coast should I consider switching to 316SS?
As a general rule, if your project is within a few kilometres of the ocean or in an area with regular salt air exposure, 316SS is the safer choice. When in doubt, it's worth specifying the higher grade — the cost difference is minimal compared to the risk of fastener corrosion in a completed deck.
What thickness of decking are these screws suited to?
The 65mm length and Type 17 auger tip are sized for composite decking up to 25mm attached to timber substructures, covering the Modwood 137x23 and 88x23 board profiles.
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Your order is prepared by our team and delivered once everything is checked and packed. You’ll receive updates along the way, so you know exactly when it’s on the move.
What you can expect:
- Next business day delivery on stocked lines when you order before 2pm*
- Delivery costs calculated at checkout
- Tracking updates right through to your driveway
- No minimum order required for delivery
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Good to know:
- Next business day collection is available on most in-stock items*
- Bring a suitable vehicle and the equipment needed to secure your load
- For safety reasons, our team can’t assist with tying down or load securing
- Need to delay collection? Just let us know
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