Sumitomo
1/2" Solid Carbide Screw Machine Drill Bit, Multi-layer, 135° point - Sumitomo U101258
MFR# U101258Series MDW-HGS
$258.45List $309.92
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Drill size1/2
Flutes2
CoatingMulti-layer
Description
The Sumitomo U101258 is a 1/2" Solid Carbide Screw Machine drill bit with a Multi-layer finish, 135° point. Suited for steel, stainless steel, cast iron, high-temp alloy. Series MDW-HGS.
Specifications
Coating finishMulti-layer
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter toleranceh8
Drill bit size in1/2
Drill bit size range0.5000 to 0.6000
Drill length typeScrew Machine
Drill point angle135
Drill point length0.1036
Flute by diameter ratio3xD
Flute length2.5591
Flute typeRegular Spiral
Maximum drilling depth1.9134
Number of flutes2
Number of margins2
Overall length5.0394
Point typeWeb-Thinned
Primary workpiece materialSteel; Stainless Steel; Cast Iron; High-Temp Alloy
Shank diameter0.5118
Shank length2.4803
Shank typeStraight
Spiral typeRegular
Tool materialSolid Carbide
Web configurationTapered
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