Chicago-Latrobe
0.0787" Cobalt Screw Machine Drill Bit, Straw, 135° point - Chicago-Latrobe 49003
MFR# 49003Series 559
$2.41List $3.08
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Flutes2
CoatingStraw
Description
The Chicago-Latrobe 49003 is a 0.0787" Cobalt Screw Machine drill bit with a Straw finish, 135° point. Suited for cast iron, steel. Series 559.
Specifications
Coating finishStraw
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0005 in
Drill bit gradeHeavy Duty
Drill bit size0.0787
Drill bit size range0.0000 to 0.1000
Drill length typeScrew Machine
Drill point angle135
Drill tip finish coatingOxide
Flute by diameter ratio4xD
Flute length0.4900
Flute typeRegular Spiral
Material gradeM42
Maximum drilling depth0.2755
Number of flutes2
Overall length1.5510
Point typeSplit Point
Primary workpiece materialCast Iron; Steel
Shank diameter0.0787
Shank length1.0610
Shank typeStraight
Specification designationDIN
Specification numberDIN 1897
Spiral typeRegular
StandardsISO
Tool materialCobalt
Tool performanceHeavy-Duty
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