Skip to content
FREE SHIPPING ON ORDERS OVER $200
FREE SHIPPING ON ORDERS OVER $200

High-Performance Square 3-Flute End Mills

Explore Star Tool Inc's square 3-flute end mills, perfect for efficient material removal and precision cutting. Available in various sizes and coatings for top performance. Free shipping on orders over $200.

Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ Square Corner EM-34341625SQ
$125.65 - $125.65
$125.65
$125.65 - $125.65
$125.65

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
10 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - Square Corner Coating - Uncoated

$125.65 - $125.65
$125.65
$125.65 - $125.65
$125.65
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ Square Corner EM-58341625SQ
$97.31 - $97.31
$97.31
$97.31 - $97.31
$97.31

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
16 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - Square Corner Coating - Uncoated

$97.31 - $97.31
$97.31
$97.31 - $97.31
$97.31
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ B/N EM-12341625BN Sold out
$71.76 - $71.76
$71.76
$71.76 - $71.76
$71.76

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ B/N | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - Ball Nose Coating - Uncoated

$71.76 - $71.76
$71.76
$71.76 - $71.76
$71.76
Sold out
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .160 R EM-34341625160
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .160 R | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.625" Radius - .160 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-1/4" LOC w/ B/N EM-34341250BN
$145.67 - $145.67
$145.67
$145.67 - $145.67
$145.67

3/4" x 3 Fl x 4" OAL x 1-1/4" LOC w/ B/N | Carbide End Mill

Star Tool Inc
8 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.250" Radius - Ball Nose Coating - Uncoated

$145.67 - $145.67
$145.67
$145.67 - $145.67
$145.67
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ Square Corner EM-12341625SQ
Sold out
$63.31 - $63.31
$63.31
$63.31 - $63.31
$63.31

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - Square Corner Coating - Uncoated

$63.31 - $63.31
$63.31
$63.31 - $63.31
$63.31
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .120 R EM-12341625120
Sold out
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .120 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Sold out
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .120 R EM-34341625120
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
8 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .120 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .030 R EM-58341625030
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
Only 1 left!

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .030 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ B/N EM-58341625BN
$112.97 - $112.97
$112.97
$112.97 - $112.97
$112.97

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ B/N | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - Ball Nose Coating - Uncoated

$112.97 - $112.97
$112.97
$112.97 - $112.97
$112.97
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .250 R EM-58341625250
Sold out
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .250 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .250 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Sold out
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .160 R EM-58341625160
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .160 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.625" Radius - .160 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-1/4" LOC w/ Square Corner EM-34341250SQ
$125.65 - $125.65
$125.65
$125.65 - $125.65
$125.65

3/4" x 3 Fl x 4" OAL x 1-1/4" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.250" Radius - Square Corner Coating - Uncoated

$125.65 - $125.65
$125.65
$125.65 - $125.65
$125.65
Star Tool Inc 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-1/4" LOC w/ .120 R EM-34341250120
$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31

3/4" x 3 Fl x 4" OAL x 1-1/4" LOC w/ .120 R

Star Tool Inc
6 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.250" Radius - .120 Coating - Uncoated

$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-1/4" LOC w/ .190 R EM-34341250190
Sold out
$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31

3/4" x 3 Fl x 4" OAL x 1-1/4" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.250" Radius - .190 Coating - Uncoated

$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31
Sold out
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-1/4" LOC w/ .060 R EM-34341250060
Sold out
$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31

3/4" x 3 Fl x 4" OAL x 1-1/4" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.250" Radius - .060 Coating - Uncoated

$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31
Sold out
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-1/4" LOC w/ .030 R EM-34341250030
$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31

3/4" x 3 Fl x 4" OAL x 1-1/4" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
Only 1 left!

Diameter - 3/4" Flutes - 3 Overall Length - 4.00" Length of Cut - 1.250" Radius - .030 Coating - Uncoated

$128.31 - $128.31
$128.31
$128.31 - $128.31
$128.31
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .160 R EM-12341625160
Sold out
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .160 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .160 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .030 R EM-12341625030
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
18 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .030Â Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .060 R EM-12341625060
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
4 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .060 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .090 R EM-12341625090
Sold out
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .090 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Sold out
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .030 R EM-34341625030
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
11 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .030 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .060 R EM-34341625060
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
Only 1 left!

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .060 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .090 R EM-34341625090
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
7 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .090 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .250 R EM-34341625250
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .250 R | Carbide End Mill

Star Tool Inc
12 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .250 Coated - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ B/N EM-34341625BN
$148.27 - $148.27
$148.27
$148.27 - $148.27
$148.27

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ B/N | Carbide End Mill

Star Tool Inc
10 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - Ball Nose Coating - Uncoated

$148.27 - $148.27
$148.27
$148.27 - $148.27
$148.27
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .060 R EM-58341625060
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
12 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .060 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .090 R EM-58341625090
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .090 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .120 R EM-58341625120
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
3 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .120 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .010 R EM-12341625010
Sold out
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .010 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .010 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .190 R EM-12341625190
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .190 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .010 R EM-58341625010
Sold out
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .010 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .010 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Sold out
Star Tool Inc End Mill 5/8" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .190 R EM-58341625190
$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91

5/8" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 5/8" Flutes - 3 Overall Length - 4" Length of Cut - 1-5/8" Radius - .190 Coating - Uncoated

$99.91 - $99.91
$99.91
$99.91 - $99.91
$99.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .010 R EM-34341625010
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .010 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .010 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91
Star Tool Inc End Mill 3/4" x 3 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .190 R EM-34341625190
$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

3/4" x 3 Fl x 4" OAL x 1-5/8" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 4" Length of Cut - 1.625" Radius - .190 Coating - Uncoated

$130.91 - $130.91
$130.91
$130.91 - $130.91
$130.91

Want to Checkout using a Purchase Order? Sign up for a business account and get approved for net terms today!

YOUR CUTTING EDGE SINCE 1966

YOUR CUTTING EDGE SINCE 1966

Proudly Manufactured in Wichita, KS