#21 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 45691

Chicago-Latrobe

#21 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 45691

MFR# 45691Series 150ASP

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Flutes2

Description

The Chicago-Latrobe 45691 is a #21 High Speed Steel drill bit with a Oxide finish, 135° point. Suited for cast iron, stainless steel, steel. 2-5/16 flute length, 3-1/2 overall length. Series 150ASP.

Specifications

Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0007 to 0.0000 in
Drill bit finish coatingOxide
Drill bit gradeHeavy Duty
Drill bit materialHigh Speed Steel
Drill bit size0.1590
Drill bit size range0.1500 - 0.2000
Drill bit size wire#21
Drill point angle degrees135
Flute length in2-5/16
Flute typeSpiral
Number of flutes2
Overall length in3-1/2
Point typeSplit
Primary workpiece materialCast Iron; Stainless Steel; Steel
Shank diameter0.1590
Shank length1.1250
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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