Sumitomo
1/4" Solid Carbide Drill Bit, DEX, 140° point - Sumitomo U101287
MFR# U101287Series MDW-XHV
$237.75List $285.09
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Drill size1/4
Flutes2
CoatingDEX
Description
The Sumitomo U101287 is a 1/4" Solid Carbide drill bit with a DEX finish, 140° point. Suited for ductile iron, hardened steel. Series MDW-XHV.
Specifications
Coating finishDEX
Coolant throughYes
Drill bit diameter tolerance-0.00080 to -0.00165 in
Drill bit size in1/4
Drill point angle140
Flute by diameter ratio12xD
Flute length3.9370
Maximum drilling depth4.0550
Number of flutes2
Overall length6.1020
Primary workpiece materialDuctile Iron; Hardened Steel
Shank diameter0.3150
Shank length2.0470
Shank typeStraight-Cylindrical
Tool applicationDeep Hole Drilling
Tool materialSolid Carbide
Web configurationTapered
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