0.25-in Dia 2-Flute End Mill, 0.75-in LOC, 0.25-in Shank, 2.5-in OAL

Great for the fastest cutting without the worry of packing debris in slots. The upshear can achieve faster feedrates and deeper cuts because it pulls the debris up and out of the cut.

PREVIEW AND DIAGRAM (WU1-203)

Specifications

Cutting Dia 0.25″
Flute Len 0.75″
Shank Dia 0.25″
Overall Len 2.5″
Blend Angle 0″

Tolerances

Cutting Diameter+.000/−.002″
Length of Cut+.060/−.000″
Shank Diameter−.0001/−.0002″
Overall Length±.060″

Catalog

Catalog Page 5

Speed & Feeds

MaterialSurface Feet1/4"5/16"3/8"1/2"5/8"3/4"1
MaterialSFMRPMCLPTRPMCLPTRPMCLPTRPMCLPTRPMCLPTRPMCLPTRPMCLPT
ALUMINUM
2024Max RPMMax0.0064Max0.0080Max0.0096Max0.0128Max0.016Max0.0192Max0.0256
6061 (T1-T3)Max RPMMax0.0032Max0.0040Max0.0048Max0.0064Max0.0080Max0.0096Max0.0128
6061 (T4-T6)Max RPMMax0.0064Max0.0080Max0.0096Max0.0128Max0.0160Max0.0192Max0.0256
7075Max RPMMax0.0064Max0.0080Max0.0096Max0.0128Max0.0160Max0.0192Max0.0256
NON-FERROUS
Brass750114600.003291680.004076400.004857300.006445840.008038200.009628650.0128
Copper60091680.003273340.004061120.004845840.006436670.008030560.009622920.0128
MagnesiumMax RPMMax0.0064Max0.0080Max0.0096Max0.0128Max0.0160Max0.0192Max0.0256
Plastics1300198640.0064158910.0080132430.009699320.012879460.016066210.019249660.0256
WOOD
HardwoodsMax RPMMax0.0032Max0.0040Max0.0048Max0.0064Max0.0080Max0.0096Max0.0128
Soft woodsMax RPMMax0.0032Max0.0040Max0.0048Max0.0064Max0.0080Max0.0096Max0.0128
MDF1300198640.0064158910.00080132430.009699320.012879460.016066210.019249660.0256
Laminate1300198640.0064158910.0080132430.009699320.012879460.016066210.019249660.0256

Other Tools in this Series

Tool # Cutting Dia Flute Len Shank Dia Overall Len Blend Angle Coatings Pg. #
WU1-203-040.125″0.47″0.125″1.5″0″Uncoated  DLC5
WU1-203-060.1875″0.595″0.1875″2″0″Uncoated  DLC5
WU1-203-120.375″1″0.375″2.5″0″Uncoated  DLC5
WU1-203-160.5″1.5″0.5″3.5″0″Uncoated  DLC5
WU1-203-200.625″2″0.625″4.625″0″Uncoated  DLC5
WU1-203-240.75″2.1875″0.75″5.25″0″Uncoated  DLC5
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SPEEDS & FEEDS