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 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .120 R EM-383351500120
$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85

3/8" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .120 Coating - Uncoated

$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ B/N EM-383351500BN
$32.35 - $32.35
$32.35
$32.35 - $32.35
$32.35

3/8" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ B/N | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - Ball Nose Coating - Uncoated

$32.35 - $32.35
$32.35
$32.35 - $32.35
$32.35
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, 3.5" 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 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .030 R EM-383351500030
$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85

3/8" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .030 Coating - Uncoated

$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ Square Corner EM-383351500SQ
$28.80 - $28.80
$28.80
$28.80 - $28.80
$28.80

3/8" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ Square Corner | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - Square Corner Coating - Uncoated

$28.80 - $28.80
$28.80
$28.80 - $28.80
$28.80
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .060 R EM-383351500060
$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85

3/8" 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 - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .060 Coating - Uncoated

$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .090 R EM-383351500090
$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85

3/8" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
6 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .090 Coating - Uncoated

$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85
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 3/8" x 3 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .010 R EM-383351500010
$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85

3/8" x 3 Fl x 3.5" OAL x 1-1/2" LOC w/ .010 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.5" Length of Cut - 1.500" Radius - .010 Coating - Uncoated

$30.85 - $30.85
$30.85
$30.85 - $30.85
$30.85
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

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