219R8 31/64 Shank Cobalt Steel HSS Gold Finish Jobber Length Drill Bit135 Degree Split Point REDUCED SHANK Ground Flute M2 High Speed Steel Thicker Web To Provide Extra Strength & Rigidity Suitable for Medium Alloyed Materials Stainless Steel Specifications Drill Size 31 64 _in Decimal Equivalent 0. 4844 _in O A Length 5 3 4 _in Flute Length 4 3 8 _in Point 135 _ Split Point larger image Finish Gold Shank Type Reduced Shank Size 3 8 _in Flute Type Ground Material M2 High Speed Steel Suitable For Medium Alloyed Materials