#61 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 44731

Chicago-Latrobe

#61 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 44731

MFR# 44731Series 150ASP

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Flutes2

Description

The Chicago-Latrobe 44731 is a #61 High Speed Steel drill bit with a Oxide finish, 135° point. Suited for cast iron, stainless steel, steel. 11/16 flute length, 1-5/8 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 size0.0390
Drill bit size range0.0000 - 0.0500
Drill bit size wire#61
Drill point angle degrees135
Flute length in11/16
Flute typeSpiral
Number of flutes2
Overall length in1-5/8
Point typeStandard
Primary workpiece materialCast Iron; Stainless Steel; Steel
Shank diameter0.0390
Shank length0.9375
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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