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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
$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20

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

Star Tool Inc
9 in stock

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

$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20
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
$44.65 - $44.65
$44.65
$44.65 - $44.65
$44.65

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

$44.65 - $44.65
$44.65
$44.65 - $44.65
$44.65
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 5/8" LOC w/ B/N EM-1233625BN
$43.10 - $43.10
$43.10
$43.10 - $43.10
$43.10

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

Star Tool Inc
9 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 0.625" Radius - Ball Nose Coating - Uncoated

$43.10 - $43.10
$43.10
$43.10 - $43.10
$43.10
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
20 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .120 R EM-123351500120
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .120 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ B/N EM-123351500BN
$52.45 - $52.45
$52.45
$52.45 - $52.45
$52.45

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ B/N | Carbide End Mill

Star Tool Inc
3 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - Ball Nose Coating - Uncoated

$52.45 - $52.45
$52.45
$52.45 - $52.45
$52.45
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 5/8" LOC w/ .030 R EM-1233625030
$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20

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

Star Tool Inc
7 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 0.625" Radius - .030 Coating - Uncoated

$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .160 R EM-123351500160
Sold out
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .160 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .160 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .060 R EM-123351500060
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
6 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .060 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .010 R EM-123351500010
Sold out
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .010 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .010 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15
Sold out
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
12 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
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
$55.20 - $55.20
$55.20
$55.20 - $55.20
$55.20

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

$55.20 - $55.20
$55.20
$55.20 - $55.20
$55.20
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 5/8" LOC w/ .120 R EM-1233625120
$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20

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

Star Tool Inc
5 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 0.625" Radius - .120 Coating - Uncoated

$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
9 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
8 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
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
$48.70 - $48.70
$48.70
$48.70 - $48.70
$48.70

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

Star Tool Inc
21 in stock

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

$48.70 - $48.70
$48.70
$48.70 - $48.70
$48.70
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

Star Tool Inc
4 in stock

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

Star Tool Inc
12 in stock

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 5/8" LOC w/ Square Corner EM-1233625SQ
$35.15 - $35.15
$35.15
$35.15 - $35.15
$35.15

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

Star Tool Inc
7 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 0.625" Radius - Square Corner Coating - Uncoated

$35.15 - $35.15
$35.15
$35.15 - $35.15
$35.15
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 5/8" LOC w/ .190 R EM-1233625190
$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20

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

Star Tool Inc
5 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 0.625" Radius - .190 Coating - Uncoated

$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3" OAL x 5/8" LOC w/ .060 R EM-1233625060
$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20

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

Star Tool Inc
5 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3" Length of Cut - 0.625" Radius - .060 Coating - Uncoated

$38.20 - $38.20
$38.20
$38.20 - $38.20
$38.20
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .030 R EM-123351500030
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
6 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .030 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
12 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
3 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
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
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

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

Star Tool Inc
10 in stock

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

$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

Star Tool Inc
11 in stock

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

Star Tool Inc
8 in stock

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

Star Tool Inc
13 in stock

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
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
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

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

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ Square Corner EM-123351500SQ
Sold out
$43.60 - $43.60
$43.60
$43.60 - $43.60
$43.60

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - Square Corner Coating - Uncoated

$43.60 - $43.60
$43.60
$43.60 - $43.60
$43.60
Sold out
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .090 R EM-123351500090
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
8 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .090 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15
Star Tool Inc End Mill 1/2" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .190 R EM-123351500190
$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

1/2" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
10 in stock

Diameter - 1/2" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .190 Coating - Uncoated

$45.15 - $45.15
$45.15
$45.15 - $45.15
$45.15

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YOUR CUTTING EDGE SINCE 1966

YOUR CUTTING EDGE SINCE 1966

Proudly Manufactured in Wichita, KS