Letter A HSS Drill Bit, TiAlN, 135° point - Chicago-Latrobe 42771

Chicago-Latrobe

Letter A HSS Drill Bit, TiAlN, 135° point - Chicago-Latrobe 42771

MFR# 42771Series 150ASP-TA

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Flutes2
CoatingTiAlN

Description

The Chicago-Latrobe 42771 is a Letter A HSS drill bit with a TiAlN finish, 135° point. Suited for stainless steel, cast iron. 2-5/8 flute length, 3-7/8 overall length. Series 150ASP-TA.

Specifications

Coating finishTiAlN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0007 to 0.0000 in
Drill bit gradeHeavy Duty
Drill bit materialHSS
Drill bit size0.2340
Drill bit size letterA
Drill bit size range0.2000 - 0.2500
Drill point angle degrees135
Flute length in2-5/8
Flute typeRegular Spiral
Number of flutes2
Overall length in3-7/8
Point typeSplit Point
Primary workpiece materialStainless Steel; Cast Iron
Shank diameter in1-1/4
Shank length1.2500
Shank typeStraight
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsNAS 907 Type B
Tool performanceHigh Performance
Web configurationTapered
Web thinningWeb-Thinned
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