Chicago-Latrobe

1/4" High Speed Steel Drill Bit, Coated, 135° point - Chicago-Latrobe 55248

MFR# 55248Series 120DHT

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Drill size1/4
CoatingCoated

Description

The Chicago-Latrobe 55248 is a 1/4" High Speed Steel drill bit with a Coated finish, 135° point. 4-13/16 flute length. Series 120DHT.

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 point angle degrees135
Flute length in4-13/16
Flute typeParabolic
Material applicationAlloy Steel; Aluminum; Carbon Steel; Non-Ferrous Metals
Overall length6-1/8
Point typeSplit
Shank diameter in1/4
Shank length in1-5/16
Shank typeTanged
Threaded shankNo
Tool applicationSelf-Centering
Tool materialHigh Speed Steel
Web configurationTapered
Web thinningWeb-Thinned

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