Chicago-Latrobe
5/16" Cobalt Drill Bit, TiAlN, 135° point - Chicago-Latrobe 44920
MFR# 44920Series 550TA
$16.71List $21.44
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Drill size5/16
Flutes2
CoatingTiAlN
Description
The Chicago-Latrobe 44920 is a 5/16" Cobalt drill bit with a TiAlN finish, 135° point. Suited for titanium. 3-3/16 flute length, 4-1/2 overall length. Series 550TA.
Specifications
Coating finishTiAlN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingTiAlN
Drill bit materialCobalt
Drill bit size in5/16
Drill bit size range0.3000 - 0.3500
Drill point angle degrees135
Flute length in3-3/16
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in4-1/2
Point typeSplit
Primary workpiece materialTitanium
Shank diameter in5/16
Shank length1.3125
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsDIN 338; NAS 907 Type J
Tool performanceHigh Performance
Web configurationTapered
Web thinningWeb-Thinned
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