The PZ SPAX countersunk head screw is a type of fastening that has four cutting edges at the end of the self-tapping screw, which allows you to do without prior drilling. The carving at the beginning of a self-tapping screw is segmented that allows to accelerate cutting of a carving in wood
Scope universal use, no pre-drilling, fast and safe fastening with reduced torque (more screw connections for battery charge), multifunctional programs in the room.
Material stainless steel. The grade of steel A2 allows to use bolts at considerable differences of temperature and in the aggressive and humid environment.
The bit number in diameter 3 is marked TX20 * - this means that the bit can be 15-20 numbers.