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.

Original price $17.75 - Original price $17.75
Original price
$17.75
$17.75 - $17.75
Current price $17.75

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

Star Tool Inc
12 in stock

Diameter - 1/4" Flutes - 3 Overall Length - 3" Length of Cut - 0.750" Radius - Square Corner Coating - Uncoated

Original price $17.75 - Original price $17.75
Original price
$17.75
$17.75 - $17.75
Current price $17.75
Original price $31.01 - Original price $31.01
Original price
$31.01
$31.01 - $31.01
Current price $31.01

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

Star Tool Inc
Only 1 left!

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

Original price $31.01 - Original price $31.01
Original price
$31.01
$31.01 - $31.01
Current price $31.01
Original price $49.66 - Original price $49.66
Original price
$49.66
$49.66 - $49.66
Current price $49.66

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

Star Tool Inc
13 in stock

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

Original price $49.66 - Original price $49.66
Original price
$49.66
$49.66 - $49.66
Current price $49.66
Original price $24.64 - Original price $24.64
Original price
$24.64
$24.64 - $24.64
Current price $24.64

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

Star Tool Inc
33 in stock

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

Original price $24.64 - Original price $24.64
Original price
$24.64
$24.64 - $24.64
Current price $24.64
Original price $125.65 - Original price $125.65
Original price
$125.65
$125.65 - $125.65
Current price $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

Original price $125.65 - Original price $125.65
Original price
$125.65
$125.65 - $125.65
Current price $125.65
Original price $97.31 - Original price $97.31
Original price
$97.31
$97.31 - $97.31
Current price $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

Original price $97.31 - Original price $97.31
Original price
$97.31
$97.31 - $97.31
Current price $97.31
Original price $19.05 - Original price $19.05
Original price
$19.05
$19.05 - $19.05
Current price $19.05

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

Star Tool Inc
5 in stock

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

Original price $19.05 - Original price $19.05
Original price
$19.05
$19.05 - $19.05
Current price $19.05
Original price $63.31 - Original price $63.31
Original price
$63.31
$63.31 - $63.31
Current price $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

Original price $63.31 - Original price $63.31
Original price
$63.31
$63.31 - $63.31
Current price $63.31
Sold out
Original price $37.44 - Original price $37.44
Original price
$37.44
$37.44 - $37.44
Current price $37.44

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

Star Tool Inc
7 in stock

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

Original price $37.44 - Original price $37.44
Original price
$37.44
$37.44 - $37.44
Current price $37.44
Original price $28.99 - Original price $28.99
Original price
$28.99
$28.99 - $28.99
Current price $28.99

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

Star Tool Inc
3 in stock

Diameter - 3/8" Flutes - 3 Overall Length - 3.00" Length of Cut - .0625" Radius - Square Corner Coating - Uncoated

Original price $28.99 - Original price $28.99
Original price
$28.99
$28.99 - $28.99
Current price $28.99
Original price $31.66 - Original price $31.66
Original price
$31.66
$31.66 - $31.66
Current price $31.66

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

Star Tool Inc
8 in stock

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

Original price $31.66 - Original price $31.66
Original price
$31.66
$31.66 - $31.66
Current price $31.66
Original price $125.65 - Original price $125.65
Original price
$125.65
$125.65 - $125.65
Current price $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

Original price $125.65 - Original price $125.65
Original price
$125.65
$125.65 - $125.65
Current price $125.65
Original price $14.30 - Original price $14.30
Original price
$14.30
$14.30 - $14.30
Current price $14.30

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

Star Tool Inc
5 in stock

Diameter - 1/4" Flutes - 3 Overall Length - 2.00" Length of Cut - 0.625" Radius - Square Corner Coating - Uncoated

Original price $14.30 - Original price $14.30
Original price
$14.30
$14.30 - $14.30
Current price $14.30
Original price $45.70 - Original price $45.70
Original price
$45.70
$45.70 - $45.70
Current price $45.70

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

Star Tool Inc
2 in stock

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

Original price $45.70 - Original price $45.70
Original price
$45.70
$45.70 - $45.70
Current price $45.70
Original price $56.68 - Original price $56.68
Original price
$56.68
$56.68 - $56.68
Current price $56.68

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

Original price $56.68 - Original price $56.68
Original price
$56.68
$56.68 - $56.68
Current price $56.68
Sold out
Original price $165.36 - Original price $165.36
Original price
$165.36
$165.36 - $165.36
Current price $165.36

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

Star Tool Inc
2 in stock

Diameter - 3/4" Flutes - 3 Overall Length - 5" Length of Cut - 2.250" Radius - Square Corner Coating - Uncoated

Original price $165.36 - Original price $165.36
Original price
$165.36
$165.36 - $165.36
Current price $165.36

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