Chicago-Latrobe
Letter U Cobalt Drill Bit, TiN, 135° point - Chicago-Latrobe 54120
MFR# 54120Series 2550
$21.73List $27.39
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Flutes2
CoatingTiN
Description
The Chicago-Latrobe 54120 is a Letter U Cobalt drill bit with a TiN finish, 135° point. Suited for stainless steel, steel. 3-5/8 flute length, 5 overall length. Series 2550.
Specifications
Coating finishTiN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingTitanium Nitride
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size0.3680
Drill bit size letterU
Drill bit size range0.3500 - 0.4000
Drill point angle degrees135
Flute length in3-5/8
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in5
Point typeSplit
Primary workpiece materialStainless Steel; Steel
Shank diameter0.3680
Shank length1.3750
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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