Wood Screws TORX C4 countersunk head 4 x 30 to 6 x 200, 200 to 1000st per box, Klimas

Wood Screws TORX C4 countersunk head 4 x 30 to 6 x 200, 200 to 1000st per box, Klimas

Wood screws Torx C4 for professional timber fastening

Klimas KMWHT bulk pack of professional Torx wood screws for fast and secure fastening in wood. The screws have a countersunk head, C4-class surface coating and a waxed finish, making them ideal for construction projects, renovation and carpentry where you need strong and durable joints – both indoors and outdoors.

Recommended for professional use and jobs that require maximum safety and durability. Manufactured in Europe and compliant with European standards. Especially popular among carpenters and construction companies in Sweden thanks to their quality and attractive price.

Features and benefits

• Torx wood screw with countersunk head for a neat, flush surface
• C4-class galvanized zinc for long-lasting corrosion protection outdoors
• Waxed surface that reduces friction and enables faster installation
• Cutting tip and milling ribs reduce driving resistance by up to 20%
• Double thread that grips quickly in the wood and pulls the construction together efficiently
• CE and ETA-18/0817 certified wood screw for load-bearing timber structures
• Developed for professionals but also suitable for demanding DIY users

Technical information

Applications – when to choose this wood screw

Perfect choice when building or reinforcing timber structures: frames, wall and roof structures, trusses, studs, sheet materials, renovation work and installation of wooden components. The wood screw is suitable both for professional building projects and for anyone who wants a safe alternative to nails.

Do you need larger quantities of screws or other models?

Contact us for a quote – we will help you find the right products at highly competitive prices.

❓ Frequently Asked Questions (FAQ)

• Is pre-drilling required? No, the wood screw can be driven directly even into harder wood types thanks to the cutting tip.
• Are the screws suitable for outdoor use? Yes, the C4 classification makes them suitable for outdoor environments and harsh weather conditions.
• Can I use them in load-bearing structures? Yes, they are CE and ETA-18/0817 certified for structural use in timber.
• Which bit should I use? A TX25 bit is recommended for best grip and torque transfer.
• How many screws are there per pack? The quantity varies depending on screw size – see the list of options (where you choose the size to order).

About KLIMAS

Klimas is one of Europe's leading manufacturers of fastening systems and construction screws. Their products are sold in more than 65 countries worldwide and are known for high durability, precision and reliability. Klimas is considered one of the largest and most reputable screw producers in Europe.

CERTIFICATIONS

KLIMAS provides corrosion protection equivalent to C3/C4-rated structural wood screws and belongs to the same performance segment as other professional screw systems used in Europe. The coating and durability are comparable to:

• Würth Zinc-Nickel
• Heco-Protect
• ESSVE CorrSeal
• Hilti ZF

ETA-18/0817 – CE approved according to Eurocode 5 and Swedish EKS

ETA is the highest level of European approval for load-bearing structural screws. The certification confirms that KLIMAS screws:

• are approved for use in load-bearing timber structures
• meet all requirements of Eurocode 5 (EN 1995-1-1)
• comply with harmonized regulations for use in Sweden and across the EU

For engineers and designers, KLIMAS screws function equivalently to other established ETA-approved brands, such as:

• ESSVE structural wood screws ETA
• Heco Topix ETA
• Reisser ETA
• Würth ASSY ETA

GEOMETRY

Mechanical Properties

1. Withdrawal and head pull-through values for wood are based on a reference density ρₐ = 350 kg/m³.
2. Withdrawal and head pull-through values for LVL are based on a reference density ρₐ = 480 kg/m³.