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1/2" 4 Flute w/.125"Radius Variable Helix MONOLITH™ HP Carbide End Mill, 5/8"LOC, 5-1/2"Reach, 8"OAL, AlTiN Coated. Made in USA Ultra-Tool® Part #27021AT

1/2" 4 Flute w/.125"Radius Variable Helix MONOLITH™ HP Carbide End Mill, 5/8"LOC, 5-1/2"Reach, 8"OAL, AlTiN Coated. Made in USA Ultra-Tool® Part #27021AT
ULTRA TOOL/TOOL ALLIANCE
27021AT
27021AT
27021AT
0.5000" 1/2"
Weight: 0.848 LBS
Brand: ULTRA TOOL/TOOL ALLIANCE
$409.10
each
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Technical Details & Downloads
Technical/Extra Information Catalog Page
Product Description

Ultra-Tool® Monolith™ Series 323Ml - Solid Carbide Extended Reach End Mill, Varaible Helix, Four Flute, Altin Coated, Tight Tolerance, Minimal Tir, Clearance Neck. Extended Reach Applications Are Notoriously Difficult, But The Monolith™323Ml Combines The Best Of Smoothgrind, Smoothcontricity, Smoothedge And Smoothcoat To Maximize Success. The 323Ml Holds Size And Concentricity To A Maximum Of .0003" Deviation, Even At A 12” Reach! All Monoliths Feature Smoothedge With Standard At Hardcoating. All Ultra-Tool® Products Are Proudly Made In The U.S.A., 100% American Designed, American Made, American Owned.

  • SmoothFlute® Technology.
  • SmoothEdge® Technology.
  • Ultra-Grain®1.
Made in U.S.A.
Shipping & Delivery Options
HUNTINGTON BEACH, CALIFORNIA, USA
  • UPS

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Min. order amount Shipping Option Special Rate Max Weight
$50.00 UPS Blue 2 Business Days $13.99 5 LBS
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$50.00 MINIMUM ORDER
If ordered by 3pm Eastern Standard Time Ultra Tool will Ship Same Business Day.
Factory Stock
5
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Additional Product Details

Technical Details

Manufacturer
ULTRA TOOL/TOOL ALLIANCE
Manufacturer Part Number
27021AT
Cutter Diameter
0.5000" 1/2"
Length Of Cut
0.625"
Overall Length
8.000" 8"
Shank Diameter
0.5000" 1/2"
Radius Size
0.125"
Number Of Flutes
4
Helix Angle
33° Variable Helix
End Style
Corner Radius
Tool Coating
AlTiN
Tool Substrate Material
Carbide
Primary Application
High-Efficiency Roughing/Finishing
Max Reach
5.500"
Hand Cutting Direction
Right Hand Cut
Material Food Group
Steels, Stainless Steels, Hi-Temp Alloys
Inch Or Metric
Inch
Country of Origin
U.S.A.
Series
323MLR
Single Or Double End
Single End
Brand
Ultra-Tool®
Shank Type
Plain Cylindrical Shank
Coolant Through
No Coolant Hole
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7/5/2026 FREE-SHIP-250
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