Timco C2 Strong Fix Multi Purpose Premium Screws PZ Double Countersunk Yellow (Size 3.5 x 12 200 Pieces)

Deep recess to prevent 'cam-out', giving a precise and positive drive control on every screw Ribs under head for improved countersinking and to give a smooth and flush finish, also prevents splitting and material damage Coated with a high-molecular polymer lubricant that reduces the insertion torque by up to 52% and increases rust protection up to 20 times longer than a standard zinc plating Dual angle thread gives an ultimate performance and an exceptionally high pull-out resistance All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length, Weight: 0.4629707502 pounds, Manufacturer: TIMCO