




Countersunk teardrop shaped head with curved surface for a pleasant look and firm grip with the bit. The increased shank diameter with high torsional strength for a strong, safe screwing even in high density woods.
The martensitic stainless steel version offers the highest mechanical performance. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).
The austenitic A2 stainless steel version offers higher corrosion resistance. Suitable for outdoor applications up to 1 km from the sea and on most of T4 class acid woods.