Product Description
"DIN 571, blue galvanized steel
• For secure wood connections
• Hexagon head for improved application of force when installing screws
• The wood screw forms its nut thread instead of cutting.
• A core hole must be pre-drilled depending on the diameter and type of wood (hardwood)
Length: 40mm
Normal diameter: 3.5mm
Head Height: 7mm
Material: Steel "