Guhring
1/4" Solid Carbide Screw Machine Drill Bit, Coated, 140° point - Guhring 9012420063500
MFR# 9012420063500Series 1242
$130.40List $167.24
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Drill size1/4
Flutes2
CoatingCoated
Description
The Guhring 9012420063500 is a 1/4" Solid Carbide Screw Machine drill bit with a Coated finish, 140° point. Suited for cast iron, steel. Series 1242.
Specifications
Coating finishCoated
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.006 to +0.021 mm
Drill bit size in1/4
Drill bit size letterE
Drill bit size range0.2500 to 0.3000
Drill length typeScrew Machine
Drill point angle140
Flute by diameter ratio3xD
Flute length (mm)31.00
Flute typeSpiral
Material gradeSubmicron
Maximum drilling depth0.8460
Number of flutes2
Overall length (mm)70.00
Point typeSU
Primary workpiece materialCast Iron; Steel
Shank diameter (mm)6.35
Shank typeStraight-Cylindrical
Specification designationDIN
Specification numberDIN 6539
Spiral typeRegular
StandardsDIN 6539
Tool materialSolid Carbide
Tool performanceHigh Performance
Web configurationParallel
Web thinningWeb-Thinned
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