New 17pc assortment SGS Titanium Diboride Jobber Drill. All are 3-flute, notched 124 DEG point, 5XD. Part # Size Reg Price. Titanium diboride (TIB2) is a corrosion-resistant ceramic compound made of titanium and boron. It is commonly used on non-ferrous materials including aluminum and magnesium alloys. Thank you for looking.