Chicago-Latrobe
5/16" Carbide Tipped Drill Bit, 118° point - Chicago-Latrobe 77657
MFR# 77657Series CTD
$42.30List $54.24
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Drill size5/16
Flutes2
Description
The Chicago-Latrobe 77657 is a 5/16" Carbide Tipped drill bit, 118° point. Suited for cast iron, non-ferrous metal. Series CTD.
Specifications
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0010 in
Drill bit finish coatingBright/Uncoated
Drill bit gradeGeneral Purpose
Drill bit materialCarbide Tipped
Drill bit size in5/16
Drill bit size range0.3000 - 0.3500
Drill point angle degrees118
Flute length3.1875
Flute typeSpiral
Number of flutes2
Overall length4.5000
Point typeStandard
Primary workpiece materialCast Iron; Non-Ferrous Metal
Shank diameter in5/16
Shank length1.3126
Shank typeStraight-Cylindrical
Spiral typeRegular
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned
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