3.5mm Bright HSS Jobber Drill Bit 2007-3.50S by Bordo

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. 118 º point angles are ideal for use in materials such as mild steel and cast iron. The 118 º 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: 1092
• Spindle Speed Tool Steel RPM: 1638
• Spindle Speed Cast Iron RPM: 2184
• Spindle Speed Malleable Iron RPM: 2457
• Spindle Speed Med. Carbon Steel RPM: 2730
• Spindle Speed Free Cutting Steel RPM: 3913
• Spindle Speed Aluminium/Brass RPM: 5551
• Spindle Speed Wood/Plastic RPM: 8281
• Feed per revolution mm: 0.09