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B&Q£4.99Visit shop B&Q - M6 (6mm X 18mm)Pack Of 20An 90Zinc Plated T-Nuts Four Pronged Captive Blind Threaded Inserts For Wood FurnitureA02E
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This guide is for woodworkers and DIY enthusiasts needing to create strong, reliable threaded anchor points in wood. The key benefit is the secure, non-rotating connection provided by the four prongs. A caveat is that they require precise installation to ensure optimal grip. These T-nuts are manufactured from zinc-plated steel to AN 90 standard, offering corrosion resistance and durability. They are designed to be inserted into wood, creating a secure female thread for attaching components.
| Colour | White |
|---|---|
| Model Part Number | 3509 |
| Brand | Screws City |
These T-nuts are designed for wood and have a specific thread size. You need to match the machine screw thread size to the internal thread of the T-nut. The product description mentions '5mm' and 'AN 90 standard', so typically you would use a 5mm machine screw or an equivalent specified by the AN 90 standard for this particular variant.
Yes, they can be used in particle board and MDF, but ensure the pilot hole is appropriate for the density of the material. The prongs may have slightly less grip in softer composite materials compared to solid wood.
Align the T-nut so the barrel is perpendicular to the wood surface before tapping the prongs in. Steady pressure and ensuring the prongs enter the wood evenly will help maintain alignment.
'AN 90 standard' refers to a specification for T-nuts, often related to dimensions, material, and performance. It indicates these T-nuts meet a certain quality and size benchmark.
Carefully pry around the edges of the T-nut. You may need to use a flathead screwdriver or pry bar to gently lift it out. Avoid damaging the wood excessively if re-installation is planned.
The zinc plating provides corrosion resistance, making them suitable for some outdoor applications. However, for prolonged or harsh outdoor exposure, stainless steel T-nuts might be a more durable option.
Ensure the pilot hole is the correct size – too large will reduce grip. Verify the prongs are fully driven into the wood. For very hard woods, consider a slightly larger pilot hole or pre-drilling with a countersink bit for the flange.
This typically means the prongs did not fully embed or the wood is too soft. Try re-installing in a new location with a properly sized pilot hole and ensuring all four prongs are driven flush.
While zinc-plated, prolonged exposure to moisture can cause corrosion. Store unused T-nuts in a dry place. For installed T-nuts, clean gently and consider applying a light coating of lubricant if the environment is particularly damp, though this may affect appearance.
Setup:
Compatibility:
These T-nuts are designed for use in wood and wood-based materials like plywood or MDF.
They are compatible with standard machine screws of the appropriate thread size (ensure you match the thread size of the T-nut).
Care:
Keep the T-nuts in a dry environment to prevent corrosion, despite the zinc plating.
Clean any dust or debris from the installed T-nuts with a dry cloth. Avoid abrasive cleaners.
