D101 - Jobber Drills Silver Bullet Sutton Tools Silver Bullet jobber drills are a general purpose drill bit designed for machine and hand held drilling in a wide range of ferrous & non-ferrous materials such as steel, aluminium, brass, wood & plastics. 118 standard point for general purpose applications Precision engineered parallel shank for accurate hole size Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance Bright finish for general purpose applications, non-ferrous metals & plastics Diameter 3.91mm Length 79mm Flute Length- 51mm