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" OAL x 1-1/8" LOC w/ Square Corner EM-38331125SQ
$47.43 - $47.43
$47.43
$47.43 - $47.43
$47.43

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

Star Tool Inc
3 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1-1/8" Radius - Square Corner Coating - Uncoated

$47.43 - $47.43
$47.43
$47.43 - $47.43
$47.43
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .030 R EM-38331125030
$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43

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

Star Tool Inc
3 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1.125" Radius - .030 Coating - Uncoated

$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .060 R EM-38331125060 Sold out
$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43

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

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1.125" Radius - .060 Coating - Uncoated

$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43
Sold out
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/8" LOC w/ B/N EM-38331125BN
$56.18 - $56.18
$56.18
$56.18 - $56.18
$56.18

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

Star Tool Inc
3 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1.125" Radius - Ball Nose Coating - Uncoated

$56.18 - $56.18
$56.18
$56.18 - $56.18
$56.18
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .090 R EM-38331125090
$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43

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

Star Tool Inc
7 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1.125" Radius - .090 Coating - Uncoated

$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .010 R EM-38331125010
Sold out
$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43

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

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1.125" Radius - .010 Coating - Uncoated

$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43
Sold out
Star Tool Inc End Mill 3/8" x 3 Fl Performer Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .120 R EM-38331125120
$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43

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

Star Tool Inc
2 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3" Length of Cut - 1.125" Radius - .120 Coating - Uncoated

$52.43 - $52.43
$52.43
$52.43 - $52.43
$52.43

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