
Chicago-Latrobe
5/16" High Speed Steel Drill Bit, TiN, 118° point - Chicago-Latrobe 70220
MFR# 70220Series 150T
$8.97List $11.50
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Drill size5/16
Flutes2
CoatingTiN
Description
The Chicago-Latrobe 70220 is a 5/16" High Speed Steel drill bit with a TiN finish, 118° point. Suited for cast iron, steel. 3-3/16 flute length, 4-1/2 overall length. Series 150T.
Specifications
Coating finishTiN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingTitanium Nitride
Drill bit gradeGeneral Purpose
Drill bit materialHigh Speed Steel
Drill bit size in5/16
Drill bit size range0.3000 - 0.3500
Drill point angle degrees118
Flute length in3-3/16
Flute typeSpiral
Number of flutes2
Overall length in4-1/2
Point typeStandard
Primary workpiece materialCast Iron; Steel
Shank diameter in5/16
Shank length1.3125
Shank typeStraight-Cylindrical
Spiral typeRegular
StandardsDIN 338
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned
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