31/64" HSS Screw Machine Drill Bit, 118° point - Chicago-Latrobe 48931

Chicago-Latrobe

31/64" HSS Screw Machine Drill Bit, 118° point - Chicago-Latrobe 48931

MFR# 48931Series 157L

$24.36List $31.24 Save 22%
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Drill size31/64
Flutes2

Description

The Chicago-Latrobe 48931 is a 31/64" HSS Screw Machine drill bit, 118° point. Suited for aluminum, copper, magnesium, slate, thermoplastic, wood. 2-3/16 flute length, 3-11/16 overall length. Series 157L.

Specifications

Coolant throughNo
Cutting directionLeft Hand
Drill bit diameter tolerance+0.0000 to -0.0010 in
Drill bit gradeGeneral Purpose
Drill bit size in31/64
Drill bit size range0.4500 to 0.5000
Drill length typeScrew Machine
Drill point angle118
Flute length in2-3/16
Flute typeRegular Spiral
Number of flutes2
Overall length in3-11/16
Point typeStandard
Primary workpiece materialAluminum; Copper; Magnesium; Slate; Thermoplastic; Wood
Shank diameter0.4844
Shank length in1
Shank typeStraight
Spiral typeRegular
StandardsISO
Tool materialHSS
Tool performanceGeneral Purpose
Web configurationParallel
Web thinningWeb-Thinned
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