#70 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 44740

Chicago-Latrobe

#70 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 44740

MFR# 44740Series 150ASP

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Flutes2

Description

The Chicago-Latrobe 44740 is a #70 High Speed Steel drill bit with a Oxide finish, 135° point. Suited for cast iron, stainless steel, steel. 3/8 flute length, 1-1/4 overall length. Series 150ASP.

Specifications

Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0005 to 0.0000 in
Drill bit finish coatingOxide
Drill bit gradeHeavy Duty
Drill bit materialHigh Speed Steel
Drill bit size0.0280
Drill bit size range0.0000 - 0.0500
Drill bit size wire#70
Drill point angle degrees135
Flute length in3/8
Flute typeSpiral
Number of flutes2
Overall length in1-1/4
Point typeStandard
Primary workpiece materialCast Iron; Stainless Steel; Steel
Shank diameter0.0280
Shank length0.8750
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsNAS 907 Type B
Tool performanceHigh Performance
Web configurationTapered
Web thinningWeb-Thinned
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