Chicago-Latrobe
0.2756" Cobalt Screw Machine Drill Bit, Straw, 135° point - Chicago-Latrobe 49017
MFR# 49017Series 559
$7.25List $9.30
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Flutes2
CoatingStraw
Description
The Chicago-Latrobe 49017 is a 0.2756" 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 -0.0010 in
Drill bit gradeHeavy Duty
Drill bit size0.2756
Drill bit size range0.2500 to 0.3000
Drill length typeScrew Machine
Drill point angle135
Drill tip finish coatingOxide
Flute by diameter ratio4xD
Flute length1.3880
Flute typeRegular Spiral
Material gradeM42
Maximum drilling depth0.9646
Number of flutes2
Overall length3.0200
Point typeSplit Point
Primary workpiece materialCast Iron; Steel
Shank diameter0.2756
Shank length1.6320
Shank typeStraight
Specification designationDIN
Specification numberDIN 1897
Spiral typeRegular
StandardsISO
Tool materialCobalt
Tool performanceHeavy-Duty
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