Ok, I’ve understood.
INVISIBLE HEADHidden 60° head for easy insertion in small spaces without creating openings in the wood.
FASTENING ON TONGUE AND GROOVE BOARDSIdeal for usage in the spaces to fasten beading.
OPTIMISED GEOMETRYThe smaller head and high-performing thread guarantee perfect insertion of the screws in small thicknesses, avoiding splitting.
SMALL THICKNESSESIdeal for fastening beading, glazing beads, or small wood elements.