Cutting Tools & Industrial Supplies
Welcome, Guest!
Cart

5/8" 3 Flute Square End, 1.625"LOC, TiCN Coated Rougher T15 "Speed Freek" ALU-POWER 42° Helix 3-3/4"OAL, 5/8"Shank w/Flat

5/8" 3 Flute Square End, 1.625"LOC, TiCN Coated Rougher T15 "Speed Freek" ALU-POWER 42° Helix 3-3/4"OAL, 5/8"Shank w/Flat 5/8" 3 Flute Square End, 1.625"LOC, TiCN Coated Rougher T15 "Speed Freek" ALU-POWER 42° Helix 3-3/4"OAL, 5/8"Shank w/Flat 5/8" 3 Flute Square End, 1.625"LOC, TiCN Coated Rougher T15 "Speed Freek" ALU-POWER 42° Helix 3-3/4"OAL, 5/8"Shank w/Flat
YG-1 TOOL CO.
66519PC
66519PC
66519PC
0.6250" 5/8"
Weight: 0.341 LBS
Brand: YG-1 TOOL CO.
$146.54
(29% off)
$104.60
each
6/30/2026
Add To My Favorites Coupon Available
Technical Details & Downloads
Technical/Extra Information
Product Description

5/8" 3 Flute Square End, 1.625"Loc, Ticn Coated Rougher T15 "Speed Freek" Alu-Power 42° Helix 3-3/4"Oal, 5/8"Shank W/Flat

  • YG-1 ALU-POWER "SPEED FREEK" Rougher Series EK191: Inch size T15 Powdered Metal coarse pitch roughing end mills, center cutting, single end, square end, 3 flutes, Weldon Flat shank, 42° helix, regular length, coarse tooth roughing profile, TiCN coated
  • For high performance metal removal rates in aluminum and aluminum alloys.

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
17
Add to Cart
Local Florida Stock
1
$77.00
Available
More Info

Additional Product Details

Technical Details

Manufacturer
YG-1 TOOL CO.
Manufacturer Part Number
66519PC
Tool Diameter
0.6250" 5/8"
Length Of Cut
1.625"
Overall Length
3.750"
Shank Diameter
0.6250" 5/8"
Radius Size
Sharp
Number Of Flutes
3
Helix Angle
42°
End Style
Square
Tool Coating
TiCN
Tool Substrate Material
Powdered Metal - T15 HSS-PM
Primary Application
Aluminum Alloys
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
EK191
Single Or Double End
Single End
Tooth Pitch
Coarse Pitch
Center Cutting
Center Cutting
Type Of End Mill
Rougher, Coarse Tooth
Model
ALU-POWER SPEED FREEK
Shank Type
Weldon Flat Shank
Helix Type
Equal Index
Free Shipping
All items

Free Weekend Standard Shipping on the entire Site!

Offer Good Online, Minimum $499 in Purchases, max weight 10 Pounds, on the entire site! Offer good through Sunday

Promo good on Sunday, Saturday until 6/28/2026 FREESHIPWEEKENDS
Coupon clipped!

Suncoast's Privacy Policy

Sign In

Returning Customer

Sign In

New Customer

New to Suncoast?

In-Stock Notification

Want to know when this item will come back in stock? Just enter your email address below.

Request Stock Availability

Want to know when this items availability? Just enter your email address below.