Letter L High Speed Steel Drill Bit, TiN, 118° point - Chicago-Latrobe 70312

Chicago-Latrobe

Letter L High Speed Steel Drill Bit, TiN, 118° point - Chicago-Latrobe 70312

MFR# 70312Series 150T

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Flutes2
CoatingTiN

Description

The Chicago-Latrobe 70312 is a Letter L High Speed Steel drill bit with a TiN finish, 118° point. Suited for cast iron, steel. 2-15/16 flute length, 4-1/4 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 materialHigh Speed Steel
Drill bit size0.2900
Drill bit size letterL
Drill bit size range0.2500 - 0.3000
Drill point angle degrees118
Flute length in2-15/16
Flute typeSpiral
Number of flutes2
Overall length in4-1/4
Point typeStandard
Primary workpiece materialCast Iron; Steel
Shank diameter0.2900
Shank length1.3125
Shank typeStraight-Cylindrical
Spiral typeRegular
StandardsDIN 338
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned
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