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.078" (5/64") Cutter Diameter x .118" Length of Cut x .406" (13/32") Reach Carbide Square End Mill, 3 Flutes, Amorphous Diamond Coated - Harvey Tool #33278-C4

.078" (5/64") Cutter Diameter x .118" Length of Cut x .406" (13/32") Reach Carbide Square End Mill, 3 Flutes, Amorphous Diamond Coated - Harvey Tool #33278-C4 .078" (5/64") Cutter Diameter x .118" Length of Cut x .406" (13/32") Reach Carbide Square End Mill, 3 Flutes, Amorphous Diamond Coated - Harvey Tool #33278-C4
HARVEY TOOL
33278-C4
33278-C4
Weight: 0.015 LBS
Brand: HARVEY TOOL
$73.50
each
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Technical Details & Downloads
Technical/Extra Information Safety Data Sheet Catalog Page
Product Description

.078" (5/64") Cutter Diameter X .118" Length Of Cut X .406" (13/32") Reach Carbide Square End Mill, 3 Flutes, Amorphous Diamond Coated. With Its Long Length Design For Deep Cavities (Sizes Up To 10" In Length), This Solid Carbide Offering Of Miniature End Mills - Square - Long Reach, Stub Flute Is Fully Stocked In Seventeen Reach Lengths. Choose From Uncoated, Altin Coated, And Amorphous Diamond Coated Styles.

  • Miniature End Mill - Square - Long Reach, Stub Flute
  • Long length design for deep cavities, up to 10" overall length
  • Stub flutes for maximum rigidity
  • Reduced neck diameter to avoid heeling
  • Length of cut = 1 1/2 x diameter
  • Center cutting
  • Solid carbide
  • CNC ground in the USA

This item is part of our complete offering of Harvey Tool Specialty Carbide Cutting Tools, trusted for precision CNC machining, miniature tooling, and hard-to-find specialty profiles. Explore our full selection of Harvey Tool Miniature End Mills for high-performance milling, or search all sizes and styles of Harvey Tool Carbide End Mills, including miniature and specialty geometries. Browse Harvey Tool Hole Making Tools for drilling and finishing applications, Harvey Tool Threading Tools for taps and thread mills, and Harvey Tool Specialty Cutting Tools for complex part geometries and unique machining solutions. Known for their industry-leading selection of miniature and specialty carbide tools, Harvey Tool delivers exceptional accuracy, surface finish, and extended tool life across a wide range of materials. Visit our main Harvey Tool Cutting Tools page to compare sizes, coatings, geometries, and performance options to find the right tool for your application.

Made in U.S.A.
Shipping & Delivery Options
ROWLEY, MA, USA
  • UPS

Suncoast Shipping Deals

Min. order amount Shipping Option Special Rate Max Weight
$100.00 UPS Blue 2 Business Days $19.99 8 LBS
$50.00 MINIMUM ORDER
If ordered by 3:30pm Harvey will Ship Same B usiness Day, Except UPS Red (Overnight) will ship by 4:45pm Eastern Standard Time.
Factory Stock
24
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Additional Product Details

Technical Details

Manufacturer
HARVEY TOOL
Manufacturer Part Number
33278-C4
Cutter Diameter
.078" (5/64")
Length Of Cut
.118"
Overall Length
2.50" (2-1/2")
Shank Diameter
.1250" (1/8")
Radius Size
Sharp Corner
Number Of Flutes
3
Tool Coating
Amorphous Diamond
Material Food Group
Multi-Purpose General Materials
Inch Or Metric
Inch
Country of Origin
U.S.A.
Single Or Double End
Single End
Profile
Square
Neck Diameter
.0765"
Overall Reach
.406"
Reach Multiple
(5XD)
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6/30/2026 Harvey-5
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