TIMCO - CLASSIC YELLOW CROSS-RECESS DOUBLE CSK SCREW - 4.0 x 70 mm - BOX 200

Classic Screw PZ2 CSK - ZYP 4.0 x 70 (200 PCS/Box) Double countersunk reduces the likelihood of head shear and assists completion of countersinking Patented lubrication, designed to enhance screw insertion time and provides greater resistance to corrosion 40° deep single thread to provide a secure fixing with high pull-out resistance Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility Single slash on 25mm+ to reduce torque and the likelihood of the timber splitting when the screw is inserted close to the edge