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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 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ Square Corner EM-12331250SQ
$49.66 - $49.66
$49.66
$49.66 - $49.66
$49.66

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

Star Tool Inc
2 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - Square Corner Coating - Uncoated

$49.66 - $49.66
$49.66
$49.66 - $49.66
$49.66
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ Square Corner EM-516331250SQ
$24.64 - $24.64
$24.64
$24.64 - $24.64
$24.64

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
27 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - Square Corner Coating - Uncoated

$24.64 - $24.64
$24.64
$24.64 - $24.64
$24.64
Star Tool Inc End Mill 1/4" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .030 R EM-14331250030
$21.65 - $21.65
$21.65
$21.65 - $21.65
$21.65

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

Star Tool Inc
10 in stock

Diameter - 1/4" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - .030 Coating - Uncoated

$21.65 - $21.65
$21.65
$21.65 - $21.65
$21.65
Star Tool Inc End Mill 1/4" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ B/N EM-14331250BN
$22.95 - $22.95
$22.95
$22.95 - $22.95
$22.95

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

Star Tool Inc
3 in stock

Diameter - 1/4" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - Ball Nose Coating - Uncoated

$22.95 - $22.95
$22.95
$22.95 - $22.95
$22.95
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ B/N EM-12331250BN
$58.05 - $58.05
$58.05
$58.05 - $58.05
$58.05

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

Star Tool Inc
6 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - Ball Nose Coating - Uncoated

$58.05 - $58.05
$58.05
$58.05 - $58.05
$58.05
Star Tool Inc End Mill 1/4" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ Square Corner EM-14331250SQ
Sold out
$19.05 - $19.05
$19.05
$19.05 - $19.05
$19.05

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

Star Tool Inc
Out of stock

Diameter - 1/4" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - Square Corner Coating - Uncoated

$19.05 - $19.05
$19.05
$19.05 - $19.05
$19.05
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .120 R EM-12331250120
Sold out
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .120 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Sold out
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ B/N EM-516331250BN
$27.95 - $27.95
$27.95
$27.95 - $27.95
$27.95

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ B/N | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - Ball Nose Coating - Uncoated

$27.95 - $27.95
$27.95
$27.95 - $27.95
$27.95
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .030 R EM-38331250030
$34.26 - $34.26
$34.26
$34.26 - $34.26
$34.26

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

Star Tool Inc
10 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - .030 Coating - Uncoated

$34.26 - $34.26
$34.26
$34.26 - $34.26
$34.26
Star Tool Inc End Mill 1/4" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .060 R EM-14331250060
$21.65 - $21.65
$21.65
$21.65 - $21.65
$21.65

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

Star Tool Inc
5 in stock

Diameter - 1/4" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - .060 Coating - Uncoated

$21.65 - $21.65
$21.65
$21.65 - $21.65
$21.65
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ B/N EM-38331250BN
$36.27 - $36.27
$36.27
$36.27 - $36.27
$36.27

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

Star Tool Inc
13 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - Ball Nose Coating - Uncoated

$36.27 - $36.27
$36.27
$36.27 - $36.27
$36.27
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .060 R EM-12331250060
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
7 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .060 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .030 R EM-12331250030
Sold out
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .030 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Sold out
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, 3" OAL x 1-1/4" LOC w/ .090 R EM-12331250090
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
3 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .090 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ Square Corner EM-38331250SQ
$31.66 - $31.66
$31.66
$31.66 - $31.66
$31.66

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

Star Tool Inc
5 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - Square Corner Coating - Uncoated

$31.66 - $31.66
$31.66
$31.66 - $31.66
$31.66
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .120 R EM-38331250120
$34.26 - $34.26
$34.26
$34.26 - $34.26
$34.26

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

Star Tool Inc
10 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - .120 Coating - Uncoated

$34.26 - $34.26
$34.26
$34.26 - $34.26
$34.26
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .060 R EM-38331250060
$34.26 - $34.26
$34.26
$34.26 - $34.26
$34.26

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

Star Tool Inc
8 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.00" Length of Cut - 1.250" Radius - .060 Coating - Uncoated

$34.26 - $34.26
$34.26
$34.26 - $34.26
$34.26
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, 3" OAL x 1-1/4" LOC w/ .190 R EM-12331250190
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
2 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .190 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .160 R EM-12331250160
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
Only 1 left!

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .160 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .010 R EM-12331250010
Sold out
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .010 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
Sold out
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .010 R EM-516331250010
$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ .010 R | Carbide End Mill

Star Tool Inc
18 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .010 Coating - Uncoated

$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .030 R EM-516331250030
$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
16 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .030 Coating - Uncoated

$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .060 R EM-516331250060
$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
18 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .060 Coating - Uncoated

$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .090 R EM-516331250090
$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
7 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .090 Coating - Uncoated

$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94
Star Tool Inc End Mill 5/16" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .120 R EM-516331250120
$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94

5/16" x 3 Fl x 3" OAL x 1-1/4" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
3 in stock

Diameter - 5/16" Flutes - 3 Overall Length - 3" Length of Cut - 1.250" Radius - .120 Coating - Uncoated 

$25.94 - $25.94
$25.94
$25.94 - $25.94
$25.94

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YOUR CUTTING EDGE SINCE 1966

YOUR CUTTING EDGE SINCE 1966

Proudly Manufactured in Wichita, KS