1/4" Cobalt Screw Machine Drill Bit, Coated, 135° point - Chicago-Latrobe 50813

Chicago-Latrobe

1/4" Cobalt Screw Machine Drill Bit, Coated, 135° point - Chicago-Latrobe 50813

MFR# 50813Series 559

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Drill size1/4
Flutes2
CoatingCoated

Description

The Chicago-Latrobe 50813 is a 1/4" Cobalt Screw Machine drill bit with a Coated finish, 135° point. Suited for cast iron, steel. 1-3/8 flute length, 2-1/2 overall length. Series 559.

Specifications

Coating finishCoated
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0007 in
Drill bit gradeHeavy Duty
Drill bit size in1/4
Drill bit size letterE
Drill bit size range0.2500 to 0.3000
Drill length typeScrew Machine
Drill point angle135
Flute length in1-3/8
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in2-1/2
Point typeSplit
Primary workpiece materialCast Iron; Steel
Shank typeStraight-Cylindrical
Spiral typeRegular
StandardsISO
Tool materialCobalt
Tool performanceHeavy-Duty
Web configurationParallel
Web thinningWeb-Thinned
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