Optimaxx 4mm x 30mm Zinc & Yellow Countersunk Wood Screws

Optimaxx ‘extreme performance wood screws’ have been developed to provide consistent and unrivalled performance with best-in-category design in every element of the screw. The optimaxx wood screws unique features offer genuine application benefits, meaning they can be relied on to provide the perfect finish, every time. · · · Unique 24 Grooves Self Countersink Into All Materials Without The Need To Counter Bore · · Double Reinforced Collar Strengthens Underside Of The Head · · Sharp, Wide, Deep Thread Formation Coated With A Unique Lubricant Facilitates Fast Continuous Insertion · · Razor Sharp Point With The Thread Starting At The Very Tip Gives You An Immediate Start Even In The Hardest, Smoothest Surfaces