Which screw bit is required for this timber construction screw?

You need a T-STAR plus T40 bit for optimal grip and precise power transmission.

What is the advantage of the washer head?

The wide washer head provides higher pull-through resistance and clamps wood tightly together.

Is pre-drilling necessary before driving this screw?

Pre-drilling is not required in most softwoods thanks to the 4CUT point.

What are the benefits of the Wirox coating?

Wirox provides high corrosion protection for indoor use and covered outdoor structures.

Why does this screw have a partial thread?

The partial thread pulls the top wooden member tight against the underlying timber structure.

SPAX 0251010801405 construction screw 8 x 140 mm countersunk head T-STAR plus T40 steel

Name: SPAX 0251010801405 construction screw 8 x 140 mm countersunk head T-STAR plus T40 steel
Brand: SPAX
SKU: 02822253
Price: 0.53 EUR
Availability: InStock

Supplier number: SPAX 0251010801405 | EAN

0.53 tax incl.

€0.44 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 50.

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Strong timber joints with Spax

Practical benefits

High clamping force design: The wide washer head and partial thread pull structural timbers firmly together with outstanding contact pressure.
Secure bit grip transmission: The T-STAR plus T40 drive prevents bit slippage and maximizes torque transfer during heavy fastening work.
Long lasting corrosion protection: Engineered with a durable Wirox coating, each screw resists corrosion across protected outdoor and indoor wood projects.

In a nutshell

The right choise for

With the Spax timber construction screw 8 x 140 mm, you build strong, reliable joints in timber frames, roof structures, carports, and pergolas. Thanks to the wide washer head and partial thread, heavy wooden beams are pulled tightly together with high clamping force, preventing the head from pulling through into softwood. The t-star plus T40 drive provides maximum torque transfer and secure bit engagement, eliminating slippage during demanding driving tasks. In addition, the specialized Wirox coating delivers dependable corrosion protection across indoor and covered outdoor timber projects. This pack of 50 steel screws helps you complete heavy structural assemblies quickly, cleanly, and securely.

Product information FAQ

€0.53

In stock - tax incl.

Key features according to our expert

Diameter: 8 mm
Material (Screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Flange
type (screw head): T40
Drive type: Torx
Bolt/screw type: Partial wire
Length: 140 mm

All Features

Diameter: 8 mm
Material (screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Flange
Type (screw head): T40
Drive type: Torx
Bolt/screw type: Partial wire
Length: 140 mm
Wire length: 80 mm

Brand SPAX
02822253
EAN
Supplier number SPAX 0251010801405

Frequently asked questions about this product

Answered by specialists

Which screw bit is required for this timber construction screw?: You need a T-STAR plus T40 bit for optimal grip and precise power transmission.
What is the advantage of the washer head?: The wide washer head provides higher pull-through resistance and clamps wood tightly together.
Is pre-drilling necessary before driving this screw?: Pre-drilling is not required in most softwoods thanks to the 4CUT point.
What are the benefits of the Wirox coating?: Wirox provides high corrosion protection for indoor use and covered outdoor structures.
Why does this screw have a partial thread?: The partial thread pulls the top wooden member tight against the underlying timber structure.