Features

• Plated in zinc and yellow passivated to withstand up to 1,000 (min) hours salt spray resistance.


• Partially threaded


• 25ø sharp point for easy penetration into all wood types


• 40ø deep single thread to provide a secure fixing with high pull-out resistance.


• Double countersunk and ribbed under the head to assist self-countersinking.


• Serrated threads on 45% of the screw and two flutes to achieve optimum insertion into all wood types.


• Square drive to reduce driver wear and prevent 'camming out'.


• Lubricated with "Macalube" to enhance screw insertion time, extra driving torque and a greater resistance to corrosion (yellow only).


• Full batch-traceability to the original steel mill certificate.