Chicago-Latrobe

Letter J Cobalt Drill Bit, TiN, 135° point - Chicago-Latrobe 47809

MFR# 47809Series 550ASP

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Flutes2
CoatingTiN

Description

The Chicago-Latrobe 47809 is a Letter J Cobalt drill bit with a TiN finish, 135° point. Suited for titanium. Series 550ASP.

Specifications

Coating finishTiN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0010 in
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size0.2770
Drill bit size letterJ
Drill bit size range0.2500 - 0.3000
Drill point angle degrees135
Flute length2.8750
Flute typeSpiral
Number of flutes2
Overall length4.1250
Point typeSplit
Primary workpiece materialTitanium
Shank diameter0.2770
Shank length1.2500
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907-B
Spiral typeRegular
StandardsNAS 907 Type B
Tool performanceHigh Performance
Web configurationTapered
Web thinningWeb-Thinned

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