TX15 Drive Self Tappers Buy No.4 (2.9mm) X 3/4 Inch (19mm) T10 Torx Self Tapping Countersunk 3.9mm X 45mm Self Tappers Torx Pan Head Self Tapper - DIN 7981 , No., 7 / 3., 9mm Thread Diameter , Length - 45mm The No.7 (3.9mm) x 1.3/4 Inch (45mm) T15 Torx Self Tapping Countersunk Screws (DIN 7982C) - Stainless Steel (A2) has the following features: For Use With: Suitable For Use With Wood, Plastic, Brass & Aluminium (Pilot Hole May Vary Depending on Material Thickness Buy No.14 (6mm) x 180mm T25 Self Drilling Torx Countersunk Chipboard 3., 9mm x 45mm Torx Pan Head Self Tapper DIN 7981, A2/70 Stainless Steel, Thread Diameter- 3., 9mm, Length- 45mm, Head Diameter- 7., 5mm, Head Height- 2., 8mm Driver Bit Size- TX15, Screw Length Excludes the Head