12.3mm Bright HSS Jobber

Part Number: 2007-12.30

Diameter (mm)12.3
Flute Length (mm)101
Overall Length (mm)151
Pack Quantity5
Spindle Speed Stainless Steel RPM311
Spindle Speed Tool Steel RPM466
Spindle Speed Cast Iron RPM621
Spindle Speed Malleable Iron RPM699
Spindle Speed Med. Carbon Steel RPM777
Spindle Speed Free Cutting Steel RPM1113
Spindle Speed Aluminium/Brass RPM1580
Spindle Speed Wood/Plastic RPM2356
Feed per revolution mm0.24
Barcode9326518034971

12.3mm Bright HSS Jobber
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.

 

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