A self piloting and countersinking screw that can be 'secret fixed' on the tongue of hardwood and softwood flooring at a 30-45 degree angle. Tri-Lock TS thread will not split the timber, will not loosen and does not require pilot holes. No more glues, nails or squeaky boards. Boards can be lifted without damage.
Self-countersinking lost head. Net-coat yellow. A box of 200 screws will fix approximately 8-10m2 for boards approximately 180mm-200mm wide. Free driver bit in every box.