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7/8" 4 Flute Square End Long Length End Mill, 3-1/2"LOC, 7/8"Shank w/Flat, 5-3/4"OAL, 30° Helix, HSS-Co8% M42 Cobalt, TiAlN (TYLON)-Futura Coated

7/8" 4 Flute Square End Long Length End Mill, 3-1/2"LOC, 7/8"Shank w/Flat, 5-3/4"OAL, 30° Helix, HSS-Co8% M42 Cobalt, TiAlN (TYLON)-Futura Coated
YG-1 TOOL CO.
08394CF
08394CF
08394CF
0.8750" 7/8"
Weight: 0.975 LBS
Brand: YG-1 TOOL CO.
$192.79
(30% off)
$135.20
each
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Technical/Extra Information
Product Description

7/8" 4 Flute Square End Long Length End Mill, 3-1/2"Loc, 7/8"Shank W/Flat, 5-3/4"Oal, 30° Helix, Hss-Co8% M42 Cobalt, Tialn (Tylon)-Futura Coated

  • YG-1 Series E2040: Inch size HSS-Co8% M42 cobalt end mills, center cutting, single end, square end, 4 flutes, Weldon Flat shank, 30° helix, long length
  • Center cutting allows these end mills to 'drill' into the part for the beginning of a slot.
  • These center cutting end mills are recommended for pocketing, tracer milling, cam milling, die sinking and slotting.
  • Longer flute length than E2039 type allows deeper cutting.

This item is part of our complete offering of YG-1 Cutting Tools, trusted for high-performance CNC machining, consistent quality, and broad application coverage across milling, drilling, threading, tool holding, and indexable operations. Browse YG-1 End Mills for carbide and cobalt milling solutions, YG-1 Hole Making Tools for drills and reamers, YG-1 Threading Tools for taps and thread mills, YG-1 Tool Holders for dependable tool holding solutions, and YG-1 Indexable Tooling for productive insert-based machining. You can also visit our main YG-1 Cutting Tools page to shop the full line and compare sizes, coatings, and performance styles for your application.

Made in Korea, Republic of
Shipping & Delivery Options
VERNON HILLS, ILLINOIS, USA
  • UPS

Suncoast Shipping Deals

Min. order amount Shipping Option Special Rate Max Weight
$399.00 UPS Ground 1 – 4 Business days (Lower 48 States) $0.00 10 LBS
$75.00 Economy (5 - 7 days)**
(This deal only applies to our Local Florida in stock items)		 $0.00 5 LBS
$25.00 UPS Ground 1 – 4 Business days (Lower 48 States) $8.99 15 LBS
$499.00 UPS Blue 2 Business Days $9.99 7 LBS
$399.00 UPS Blue 2 Business Days $13.99 5 LBS
$50.00 UPS Blue 2 Business Days $15.99 6 LBS
$50.00 UPS Red by 10:30am 1 Business Day $31.99 2 LBS
$25.00 MINIMUM ORDER
If Ordered By 3pm Eastern Standard Time YG Will Ship Same Business Day
Factory Stock
4
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Additional Product Details

Technical Details

Manufacturer
YG-1 TOOL CO.
Manufacturer Part Number
08394CF
Tool Diameter
0.8750" 7/8"
Length Of Cut
3.500"
Overall Length
5.750"
Shank Diameter
0.8750" 7/8"
Radius Size
Sharp
Number Of Flutes
4
Helix Angle
30°
End Style
Square
Tool Coating
TiAlN (TYLON)-FUTURA
Tool Substrate Material
Cobalt - M42 HSS-Co8%
Primary Application
General Purpose
Max Reach
0.000"
Hand Cutting Direction
Right Hand
Inch Or Metric
Inch
Country of Origin
Korea, Republic of
Hand Helix Direction
Right Hand
Series
E2040
Single Or Double End
Single End
Center Cutting
Center Cutting
Type Of End Mill
Finisher
Model
HSS & COBALT END MILLS
Shank Type
Weldon Flat Shank
Helix Type
Equal Index
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Offer good for all YG-1 Online Only! Maximum Weight of 10 Pounds with a Minimum Order of 199

6/30/2026 YG-FREESHIP
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