4.2mm x 50mm Decking Screw (per 200)

• Flat head with self-countersinking nibs gives a flush, clean and attractive countersink that locks the screw in tight
• ‘Stick-fit’ square socket drive recess reduces dropped or misaligned screws providing fast and efficient fastening
• Proprietary corrosion resistant 1,000 hour salt spray and K.S.L.™ green coating for all-weather outdoor applications
• Resistant to salt, acid, alkali, corrosive gas and cathodic corrosion, as well as being heat resistant
• Suitable for both internal and external applications
• Free square drive bit in every box of 200 screws
• Deep coarse thread configuration ensures low-torque installation with exceptional draw-down for maximum holding power
• Made from large diameter root wire for greater sheer strength
• Excellent capability in all types of timber and new generation wood composites
• Tested for use in ACQ timber treatments in accordance with JIS 1570