SDS Plus Hammer Bit 18 x 450mm 75mm first fix 5 mm Shank Diameter=1/4 inch OLPRM135 Locks Resharpenable Made from premium Color:Blue & Yellow

SDS Plus Hammer Bit 18 x 450mm 75mm first fix 5 mm Shank Diameter=1 4 inch OLPRM135 Locks Resharpenable Made from premium Color:Blue & Yellow 5 mm Shank Diameter=1 4 inch Shank Diameter: 1 4 Diameter Imperial: 1 1 4 Diameter Metric: 32 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 • All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length