Unifix Timber Drive Screws - 7.0mm X 200mm - Green

Timber Drive Screws 7.0mm x 200mm Box of 50 Unifix External Coating Hex Head Timber Fixing Heavy D...

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The RangeTimberdrive Screws Green Organic Coating 7.0 X 75Mm - Tdsbx07075 - Grey
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eBayTimberdrive Screws Green Organic Coating 7.0 x 75mm - Box of 50 -
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OnBuy.comTimberdrive Screws Green 7X75 50Pk 5014196495286
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B&Q - Timber Drive Screws 7.0mm X 75mm Box Of 50 Unifix External Coating Hex Head Timber Fixing Heavy Duty Free Driver Bit Included
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Product Information

Full details

For woodworkers and builders tackling demanding projects, Unifix Timber Drive Screws offer exceptional durability and holding power. A key benefit is their resistance to corrosion, ensuring longevity in outdoor applications. However, their size may be overkill for lighter-duty tasks. These 7.0mm x 200mm screws feature a green organic coating for enhanced protection and a hex head for efficient driving, coming in a box of 50 with an included driver bit.

All features

ColourGreen
Model Part NumberTDSBX07200
BrandUnifix

Extended Product Information

FAQs

What type of wood are these screws best suited for?

These screws are ideal for a wide range of timber types, including hardwoods and softwoods, particularly for outdoor applications due to their corrosion resistance. Their size makes them suitable for thicker lumber.

Can I use these screws for indoor projects?

Yes, you can use them for indoor projects, especially if the project requires robust structural integrity. However, the green coating is primarily designed for external protection and might not align with all interior aesthetics.

What is the purpose of the green organic coating?

The green organic coating provides enhanced protection against corrosion and rust, significantly increasing the screws' durability and lifespan, especially when exposed to moisture and outdoor elements.

What size hex bit do I need for these screws?

These 7.0mm screws typically require a T25 or T30 Torx (star drive) bit, depending on the exact manufacturing specification, or a 5/16 inch hex bit. It is recommended to use the included driver bit for optimal fit.

How many screws are in a box?

Each box contains 50 Unifix Timber Drive Screws.

Are these screws suitable for treated lumber?

Yes, they are generally suitable for treated lumber. The green coating offers good protection against potential corrosion that can sometimes be exacerbated by certain wood treatments.

What is the warranty on these screws?

Product warranty information is typically detailed by the retailer or manufacturer upon purchase. Please refer to your point of sale for specific warranty details.

Troubleshooting

Screw head stripping during driving

Ensure you are using the correct size hex bit. Apply firm, consistent pressure directly in line with the screw. If using a drill, set it to an appropriate torque setting; an impact driver may offer better control for tough materials.

Difficulty driving screws into hard wood

Consider pre-drilling a pilot hole slightly smaller than the screw's core diameter. Use a more powerful drill or impact driver. Ensure the drill battery is fully charged.

Screw not holding firmly

Verify that the timber is sufficiently dense and that the screw is long enough to penetrate adequately into a solid section. For very soft woods, a pilot hole might be necessary to prevent excessive thread stripping.

Visible corrosion on screws

While coated for protection, prolonged extreme exposure or contact with highly corrosive materials can affect the coating. Ensure screws are not left submerged in water or in direct contact with chemicals. If minor surface rust appears, it may not significantly impact structural integrity, but consider using a different fastener for highly critical or aesthetic applications if this occurs.

Pros and Cons

Pros

  • Excellent corrosion resistance due to the green organic coating.
  • Strong holding power suitable for heavy-duty timber applications.
  • Hex head facilitates efficient and secure driving.
  • Includes a free driver bit for immediate use.
  • Durable design for long-lasting results in outdoor settings.

Cons

  • May be too large or powerful for delicate or light-duty woodworking.
  • The 200mm length limits their application to thicker timber materials.
  • Specific green coating might not suit all aesthetic requirements for indoor projects.

Setup, Compatibility & Care

Setup: To use these screws, select an appropriate power drill or impact driver equipped with a hex (hexagonal socket) bit that matches the head of the screw. Ensure the drill is set to a suitable torque setting to avoid stripping the screw head or damaging the timber.

Compatibility: These screws are designed for driving into timber and similar wooden materials. They are compatible with most standard power drills and impact drivers that accept hex bits. The 7.0mm diameter and 200mm length are best suited for timbers with a minimum thickness of 25mm (1 inch) or more, depending on the desired holding depth.

Care: Store screws in a dry environment to maintain the integrity of the green organic coating. Avoid prolonged exposure to corrosive substances. Clean any dust or debris from the screws before use if they have been stored for an extended period.

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