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5/16" 4 Flute Ball Nose Regular Length End Mill, 3/4"LOC, 3/8"Shank w/Flat, 2-1/2"OAL, 30° Helix, HSS-Co8% M42 Cobalt, TiCN Coated

5/16" 4 Flute Ball Nose Regular Length End Mill, 3/4"LOC, 3/8"Shank w/Flat, 2-1/2"OAL, 30° Helix, HSS-Co8% M42 Cobalt, TiCN Coated
YG-1 TOOL CO.
43301CC
43301CC
43301CC
0.3125" 5/16"
Weight: 0.054 LBS
Brand: YG-1 TOOL CO.
$62.19
(31% off)
$43.18
each
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Technical Details & Downloads
Technical/Extra Information
Product Description

5/16" 4 Flute Ball Nose Regular Length End Mill, 3/4"Loc, 3/8"Shank W/Flat, 2-1/2"Oal, 30° Helix, Hss-Co8% M42 Cobalt, Ticn Coated

  • YG-1 Series E2020: Inch size HSS-Co8% M42 cobalt end mills, center cutting, single end, ball nose, 4 flutes, Weldon Flat shank, 30° helix, regular length
  • The four flute ball end mills are designed for milling of radius bottom slots fillets and special contours.
  • The end teeth are cut to center allowing these end mills to 'drill' into material at the beginning of a slotting cut.

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
6
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Additional Product Details

Technical Details

Manufacturer
YG-1 TOOL CO.
Manufacturer Part Number
43301CC
Tool Diameter
0.3125" 5/16"
Length Of Cut
0.750"
Overall Length
2.500"
Shank Diameter
0.3750" 3/8"
Radius Size
Ball
Number Of Flutes
4
Helix Angle
30°
End Style
Ball
Tool Coating
TiCN
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
E2020
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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