BORDO METRIC QUICK SILVER M2 HSS JOBBER DRILLS DIN338 118° Split Point (crankshaft point) Split point is self centering and reduces the need for end thrust. Friction at workpiece is reduced. 118o point angles are ideal for use in materials such as mild steel and cast iron. The 118o point creates easily controlled chips which are wide and thin. DRILL BIT SURFACE TREATMENT Bright Finish Jobber Drills have no surface treatment and are supplied in the as-ground condition. These tools are suitable for general purpose use, particularly for non-ferrous applications. Specifications: Spindle Speed Stainless Steel RPM: 602 Spindle Speed Tool Steel RPM: 903 Spindle Speed Cast Iron RPM: 1204 Spindle Speed Malleable Iron RPM: 1354 Spindle Speed Med. Carbon Steel RPM: 1505 Spindle Speed Free Cutting Steel RPM: 2157 Spindle Speed Aluminium/Brass RPM: 3060 Spindle Speed Wood/Plastic RPM: 4564 Feed per revolution mm: 0.13