• Chipboard screws for wood with flat countersunk TPS head and Torx drive. • Self-sufficient head that prevents cracks and splinters in the wood. • Special patented component with reaming helix that reduces screwing effort and prolongs the life of power tools. • Thread with high and low shoulders that decreases screwing time. • Patented drill bit with high penetration power, no pre-drilling required. • Material: Yellow galvanized steel with anti-corrosion finish. • Dimensions: 10 x 200 mm. • Supplied in a package of 50 units. • Package dimensions: 9 cm wide, 34 cm high, 9 cm long.