Stainless steel A2 type terrace screws, resistant to changing weather conditionsresistant to changing weather conditions, long-lasting. These screws have a reduced tapered head with a mill,rotatable using? TORX tips for maximum grip andprevents slipping. A partial thread with a milling cutter in the middle of the screw ensures goodand forms a gap between the screw and the board which preventsthe head of the screw from breaking off in the event of a change in the condition of the board. The thread has additional threadsat the beginning of the thread, which ensure excellent rotation of the screw without cracking andchips in the top of the board. Suitable for all types of wood.