Reyher Wood Construction Screws 4x40mm T20 Galvanized Steel, 200 pcs 890910199040040

For carpenters and timber framers who need a reliable fastening solution for structural wood connections, these Reyher wood construction screws deliver consistent performance. The 4 mm diameter and 40 mm length are suited for joining softwood, hardwood, and laminated veneer lumber, while the T20 Torx drive ensures a secure bit fit and efficient power driving.

Key specifications

• Diameter: 4 mm
• Length: 40 mm
• Drive: Torx T20
• Head: Countersunk
• Material: Steel
• Coating: Galvanized zinc
• Quantity: 200 pieces
• Thread: Partial thread with cutting tip

Why choose it

The galvanized zinc coating provides standard corrosion resistance for indoor and protected outdoor applications. The partial thread design pulls boards together tightly, and the cutting tip reduces splitting in dense materials. With 200 screws per pack, this is a practical quantity for medium-sized projects or ongoing workshop use.

Ideal use cases

• Timber frame construction and roof battens
• Furniture assembly and cabinetry
• Decking substructures and pergolas
• General carpentry and joinery

Good to know

Use a Torx T20 bit for best results. The countersunk head allows flush or slightly recessed installation, ideal for finishing or covering with plugs. Store in a dry environment to maintain the zinc finish.