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SPAX 0251010800505 construction screw 8 x 50 mm full thread discus head T-STAR plus T40 steel

Supplier number: SPAX 0251010800505 | EAN
0.24 tax incl.
€0.20 excl. VAT (incl. all environmental contributions)
On stock - immediately available

The minimum purchase order quantity for the product is 50.

  • Delivery by DHL

Heavy load timber joints with Spax

Practical benefits
  • Superior washer head clamping: The wide flange head pulls wood members tightly together, delivering high pulling force without requiring separate washers.
  • Secure drive with T40: The T-STAR plus recess ensures optimal bit engagement and slip-free torque transfer during fast power driving.
  • Corrosion resistance with WIROX: Full-thread steel construction coated in protective WIROX provides high load-bearing capacity and long-term durability in wood structures.

In a nutshell

The right choise for

With the Spax construction screw, you create heavy-duty timber joints with exceptional clamping force. The wide washer head distributes pressure evenly across the wood surface and firmly pulls structural elements together without requiring separate washers. Thanks to the full thread across its 50 mm length and 8 mm diameter, you benefit from high pull-out resistance and dependable strength in timber framing, battens, and load-bearing woodwork. The t-star plus T40 recess ensures positive bit engagement without slipping, giving you smooth and controlled driving every time. Additionally, the durable Wirox coating shields the steel against corrosion, making it ideal for indoor use and sheltered outdoor projects.



€0.24
In stock - tax incl.

Product information

Key features according to our expert

  • Diameter: 8 mm
  • Material: Steel
  • Surface treatment: Wirox
  • Head shape (bolt): Flange
  • type (screw head): T40
  • Drive type: Torx
  • Bolt/screw type: Full thread
  • Length: 50 mm

Product description

  • Higher head penetration forces than countersunk head screws
  • Length indication and manufacturer's mark on the head
  • Screwing of battens & squared timber (e.g. wind-suction-proof fastening of battens)
  • Full thread with shank

SPAX wood construction screws - reliable, fast, economical

Where maximum reliability and easy processing are important, SPAX wood construction screws are the first choice. Their greatly reduced screw-in torque and very low splitting action ensure fast and effortless screw-in - a decisive advantage, especially in timber construction, where large structural parts are common and every time saving counts.

In structural timber construction, our partially and fully threaded screws are used for highly loadable, durable timber joints. The big advantage: complicated metal parts and fittings are unnecessary. This not only saves costs and assembly time, but also preserves the natural, aesthetic appearance of the wood. This creates stable joints with a pure wood appearance - without visible metal connecting pieces.

For applications such as stairs, timber elements or lathing in roof and wall, our universal screws with poppet head and partial thread offer maximum tensile strength. The large SPAX saucer head powerfully pulls parts together, while the optimised partial thread ensures perfect force transmission. Thanks to the shank length adapted to common wood thicknesses and the smaller screw diameter (e.g. 5 mm instead of 6 mm), you benefit from a higher penetration speed and lower material consumption.

Result: With SPAX wood construction screws, you achieve durable, strong and aesthetic wood connections - efficiently, economically and with noticeable advantages in weight, time and cost.

All Features

Diameter
8 mm
Material
Steel
Surface treatment
Wirox
Head shape (bolt)
Flange
Type (screw head)
T40
Drive type
Torx
Bolt/screw type
Full thread
Length
50 mm
Wire length
46 mm
  • Brand SPAX
  • EAN
  • Supplier number SPAX 0251010800505

Frequently asked questions about this product

Answered by specialists
Which screwdriver bit is required for this screw?
Use a T-STAR plus T40 or standard Torx T40 bit for optimum grip and power transmission.
What is the benefit of the washer head?
The wide washer head provides high pull-through resistance and firmly clamps timber elements together.
What are the dimensions and thread type of this screw?
This screw has a diameter of 8 mm, a length of 50 mm, and features a full thread.
What is the purpose of the Wirox coating?
The Wirox coating delivers strong corrosion resistance for indoor use and sheltered outdoor projects.
What are the main applications for this screw?
This full-thread construction screw is engineered for load-bearing timber joints and structural woodwork.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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