6.7 x 75mm Timco Flanged Hex Head Timber Screws, In-Dex, Green Organic - Box of 50 (75IN)

Corrosion resistant hex head timber screws

Box of 50 heavy-duty exterior timber screws designed to get the job done. An alternative to the traditional coach screw, the flanged hex head allows installation with conventional tools with the flange spreading the load over a wider area.

Manufactured from carbon steel and coated with a multi-layer green organic exterior plating that provides corrosion resistance equivalent to 1,000 hours of salt spray exposure. This makes them ideal for outdoor environments.

Designed with a 50 degrees deep single thread and sharp point that offers great pull-out resistance with fast installation, along with a helix shank that helps remove debris during installation. 

A combination that sees these timber screws used by both professionals and DIY enthusiasts alike across many timber-to-timber applications.

Timco In-Dex Timber Landscaping Screws Specifications

• Size: 6.7 x 75mm
• Head type: Hex flange with fixed washer
• Thread type: 50° Deep single thread
• Thread length: 52mm
• Point type: 25° Sharp with single slash
• Material: Carbon steel
• Finish: Exterior Green organic
• Pack quantity: Box of 50

Timco In-Dex Timber Landscaping Screws Key Features

• Hex flange head with fixed washer for strong clamping force
• Green organic exterior coating for corrosion resistance
• Tested to 1,000 hours salt spray protection
• 50° deep single thread for high pull-out strength
• Helix shank design clears debris and improves clamping
• Single slash point reduces torque and splitting
• 25° sharp point for fast start and improved thread engagement

Part of a growing range of wood screws from Fusion Fixings.

Timber screws frequently asked questions

What are timber frame construction screws used for?

Timber frame screws are used for structural timber-to-timber connections, such as fixing beams, sleepers, and heavy timber components in construction and landscaping.

Why do landscaping screws have a hex flange head?

A hex flange head provides greater torque transfer and improved clamping force, making it easier to drive large structural screws into timber.

What prevents these screws from splitting timber?

The single slash point and sharp tip reduce driving torque and help prevent splitting, particularly when working close to timber edges. 

Are these screws suitable for outdoor use?

Yes, the green organic exterior coating provides corrosion resistance and is tested to 1,000 hours salt spray exposure, making them suitable for exterior applications.