OSG
27/64" Solid Carbide Drill Bit, WD1, 140° point - OSG HP255-4220
MFR# HP255-4220Series HP255
$182.48List $234.04
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Drill size27/64
Flutes2
Description
The OSG HP255-4220 is a 27/64" Solid Carbide drill bit with a WD1 finish, 140° point. Suited for steel, alloy steel, cast iron. Series HP255.
Specifications
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter tolerance+0.007 to +0.025 mm
Drill bit finish coatingWD1
Drill bit materialSolid Carbide
Drill bit size in27/64
Drill bit size range0.4000 - 0.5000
Drill point angle degrees140
Flute by diameter ratio5xD
Flute length (mm)71.00
Flute typeSpiral
Number of flutes2
Overall length (mm)118.00
Point typeR-Thinned
Primary workpiece materialSteel; Alloy Steel; Cast Iron
Shank diameter (mm)12.00
Shank typeStraight-Cylindrical
Spiral typeRegular
Tool applicationBlind Hole; Cross Hole; Drilling; Self-Centering
Tool performanceHigh Performance
Web configurationTapered
Web thinningR-Thinned
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