The Silver Organic Coated C2 Exterior Strong-Fix Provides Exceptional Corrosion Resistance For Use In Harsh Environments. ?C2 Is A Revolutionary High-Performance Screw Designed Using Modern Manufacturing Methods And An Innovative Twin-Cut Point Ensuring Consistent And Rapid Pick-Up While Reducing Timber Splitting. Its Superior Holding Strength In A Wide Variety Of Materials Provides Ultimate Performance. Ribs Under Head For Improved CountersinkingSpecial Plating To Give 1 000 Hours Salt Spray ResistanceMulti-Layer Coating Consisting Of Organic Top Coat Barrier And A Zinc Base LayerDual Angle Thread For Ultimate Performance And Exceptionally High Pull-Out ResistancePatented Twin Cut Technology For Rapid Pick-Up" And Reduces Timber SplittingAll Sizes Up To And Including 75Mm Are Fully Threaded And Lengths 80Mm And Above All Have 70Mm Thread LengthPTDTIM50100C2SBX"