Chicago-Latrobe
#15 Cobalt Drill Bit, Straw, 135° point - Chicago-Latrobe 47749
MFR# 47749Series 550ASP
$4.36List $5.59
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Flutes2
CoatingStraw
Description
The Chicago-Latrobe 47749 is a #15 Cobalt drill bit with a Straw finish, 135° point. Suited for stainless steel, hardened materials. Series 550ASP.
Specifications
Coating finishStraw
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0007 in
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size0.1800
Drill bit size range0.1500 - 0.2000
Drill bit size wire#15
Drill point angle degrees135
Flute length2.1875
Flute typeRegular Spiral
Number of flutes2
Overall length3.3750
Point typeSplit Point
Primary workpiece materialStainless Steel; Hardened Materials
Shank diameter0.1800
Shank length1.1878
Shank typeStraight
Specification designationNAS
Specification numberNAS 907-B
Spiral typeRegular
StandardsNAS 907 Type B
Tool performanceHigh Performance
Web configurationTapered
Web thinningWeb-Thinned
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