Chicago-Latrobe
21/64" Cobalt Drill Bit, TiAlN, 135° point - Chicago-Latrobe 44921
MFR# 44921Series 550TA
$18.55List $23.80
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Drill size21/64
Flutes2
CoatingTiAlN
Description
The Chicago-Latrobe 44921 is a 21/64" Cobalt drill bit with a TiAlN finish, 135° point. Suited for titanium. 3-5/16 flute length, 4-5/8 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 in21/64
Drill bit size range0.3000 - 0.3500
Drill point angle degrees135
Flute length in3-5/16
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in4-5/8
Point typeSplit
Primary workpiece materialTitanium
Shank diameter in21/64
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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