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FREE SHIPPING ON ORDERS OVER $200
FREE SHIPPING ON ORDERS OVER $200

High-Performance 3/8" End Mills for Precision Machining

Shop high-quality 3/8" end mills at Star Tool Inc, designed for precision and durability. Available in multiple flute counts and coatings for versatile machining. Free shipping on orders over $200.

Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ Square Corner & Futura Nano Coating EM-38431125SQ-TiAlN
$56.28 - $56.28
$56.28
$56.28 - $56.28
$56.28

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

Star Tool Inc
4 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 3" Length of Cut - 1.125" Radius - Square Corner Coating - TiAlN

$56.28 - $56.28
$56.28
$56.28 - $56.28
$56.28
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 5/8" LOC w/ .060 R & Futura Nano Coating EM-3843625060-TiAlN
$59.28 - $59.28
$59.28
$59.28 - $59.28
$59.28

3/8" x 4 Fl x 3" OAL x 5/8" LOC w/ .060 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Only 1 left!

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 0.625" Radius - .060 Coating - Futura Nano

$59.28 - $59.28
$59.28
$59.28 - $59.28
$59.28
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .090 R & Futura Nano Coating EM-38431125090-TiAlN
$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28

3/8" x 4 Fl x 3" OAL x 1-1/8" LOC w/ .090 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
6 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 4 Length of Cut - 1.125" Radius - .090 Coating - TiAlN

$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28
Star Tool Inc End Mill 3/8" x 5 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ Corner Chamfer & Futura Nano Coating EM-38531125CHMF-TiAlN Sold out
$62.28 - $62.28
$62.28
$62.28 - $62.28
$62.28

3/8" x 5 Fl x 3" OAL x 1-1/8" LOC w/ Corner Chamfer & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - Corner Chamfer Coating - TiAlN

$62.28 - $62.28
$62.28
$62.28 - $62.28
$62.28
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 5/8" LOC w/ Square Corner & Futura Nano Coating EM-3843625SQ-TiAlN
$56.28 - $56.28
$56.28
$56.28 - $56.28
$56.28

3/8" x 4 Fl x 3" OAL x 5/8" LOC w/ Square Corner & Futura Nano Coating | Carbide End Mill

Star Tool Inc
4 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 0.625" Radius - Square Corner Coating - Futura Nano

$56.28 - $56.28
$56.28
$56.28 - $56.28
$56.28
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 5/8" LOC w/ B/N & Futura Nano Coating EM-3843625BN-TiAlN
Sold out
$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28

3/8" x 4 Fl x 3" OAL x 5/8" LOC w/ B/N & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 0.625" Radius - Ball Nose Coating - Futura Nano

$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 5/8" LOC w/ .120 R & Futura Nano Coating EM-3843625120-TiAlN
Sold out
$59.28 - $59.28
$59.28
$59.28 - $59.28
$59.28

3/8" x 4 Fl x 3" OAL x 5/8" LOC w/ .120 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 0.625" Radius - .120 Coating - Futura Nano

$59.28 - $59.28
$59.28
$59.28 - $59.28
$59.28
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 5/8" LOC w/ .030 R & Futura Nano Coating EM-3843625030-TiAlN
Sold out
$59.28 - $59.28
$59.28
$59.28 - $59.28
$59.28

3/8" x 4 Fl x 3" OAL x 5/8" LOC w/ .030 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 0.625" Radius - .030 Coating - Futura Nano

$59.28 - $59.28
$59.28
$59.28 - $59.28
$59.28
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/4" LOC w/ Square Corner & Futura Nano Coating EM-38431250SQ-TiAlN
$57.78 - $57.78
$57.78
$57.78 - $57.78
$57.78

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

Star Tool Inc
5 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 1.250" Radius - Square Corner Coating - Futura Nano

$57.78 - $57.78
$57.78
$57.78 - $57.78
$57.78
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/4" LOC w/ B/N & Futura Nano Coating EM-38431250BN-TiAlN
$72.78 - $72.78
$72.78
$72.78 - $72.78
$72.78

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

Star Tool Inc
4 in stock

Diameter -Â 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 1.250" Radius - Ball Nose Coating - Futura Nano

$72.78 - $72.78
$72.78
$72.78 - $72.78
$72.78
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .120 R & Futura Nano Coating EM-38431250120-TiAlN
Sold out
$66.78 - $66.78
$66.78
$66.78 - $66.78
$66.78

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

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 1.250" Radius - .120 Coating - Futura Nano

$66.78 - $66.78
$66.78
$66.78 - $66.78
$66.78
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .060 R & Futura Nano Coating EM-38431250060-TiAlN
Sold out
$66.78 - $66.78
$66.78
$66.78 - $66.78
$66.78

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

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 1.250" Radius - .060 Coating - Futura Nano

$66.78 - $66.78
$66.78
$66.78 - $66.78
$66.78
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .030 R & Futura Nano Coating EM-38431250030-TiAlN
Sold out
$66.78 - $66.78
$66.78
$66.78 - $66.78
$66.78

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

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3.00" Length of Cut - 1.250" Radius - .030 Coating - Futura Nano

$66.78 - $66.78
$66.78
$66.78 - $66.78
$66.78
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .120 R & Futura Nano Coating EM-38431125120-TiAlN
$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28

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

Star Tool Inc
2 in stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - .120 Coating - TiAlN

$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ Corner Chamfer & Futura Nano Coating EM-38431125CHMF-TiAlN
$62.28 - $62.28
$62.28
$62.28 - $62.28
$62.28

3/8" x 4 Fl x 3" OAL x 1-1/8" LOC w/ Corner Chamfer & Futura Nano Coating | Carbide End Mill

Star Tool Inc
7 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 3" Length of Cut - 1.125" Radius - Corner Chamfer Coating - TiAlN

$62.28 - $62.28
$62.28
$62.28 - $62.28
$62.28
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .030 R & Futura Nano Coating EM-38431125030-TiAlN
Sold out
$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28

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

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 4 Overall Length - 3" Length of Cut - 1.125" Radius - .030 Coating - TiAlN

$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28
Sold out
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .060 R & Futura Nano Coating EM-38431125060-TiAlN
$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28

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

Star Tool Inc
3 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 3" Length of Cut - 1.125" Radius - .060 Coating - TiAlN

$65.28 - $65.28
$65.28
$65.28 - $65.28
$65.28
Star Tool Inc End Mill 3/8" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ B/N & Futura Nano Coating EM-38431125BN-TiAlN
$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28

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

Star Tool Inc
6 in stock

Diameter - 3/8" Flutes - 4 Overall Length - 3" Length of Cut - 1.125" Radius - Ball Nose Coating - TiAlN

$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28
Star Tool Inc End Mill 3/8" x 5 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .030 R & Futura Nano Coating EM-38531125030-TiAlN
Sold out
$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28

3/8" x 5 Fl x 3" OAL x 1-1/8" LOC w/ .030 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - .030 Coating - TiAlN

$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28
Sold out
Star Tool Inc End Mill 3/8" x 5 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .060 R & Futura Nano Coating EM-38531125060-TiAlN
Sold out
$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28

3/8" x 5 Fl x 3" OAL x 1-1/8" LOC w/ .060 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - .060 Coating - TiAlN

$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28
Sold out
Star Tool Inc End Mill 3/8" x 5 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .090 R & Futura Nano Coating EM-38531125090-TiAlN
$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28

3/8" x 5 Fl x 3" OAL x 1-1/8" LOC w/ .090 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
6 in stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - .090 Coating - TiAlN

$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28
Star Tool Inc End Mill 3/8" x 5 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ .120 R & Futura Nano Coating EM-38531125120-TiAlN
Sold out
$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28

3/8" x 5 Fl x 3" OAL x 1-1/8" LOC w/ .120 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - .120 Coating - TiAlN

$71.28 - $71.28
$71.28
$71.28 - $71.28
$71.28
Sold out
Star Tool Inc End Mill 3/8" x 5 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/8" LOC w/ B/N & Futura Nano Coating EM-38531125BN-TiAlN
Sold out
$77.28 - $77.28
$77.28
$77.28 - $77.28
$77.28

3/8" x 5 Fl x 3" OAL x 1-1/8" LOC w/ B/N & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 3/8" Flutes - 5 Overall Length - 3" Length of Cut - 1.125" Radius - Ball Nose Coating - TiAlN

$77.28 - $77.28
$77.28
$77.28 - $77.28
$77.28
Sold out

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YOUR CUTTING EDGE SINCE 1966

YOUR CUTTING EDGE SINCE 1966

Proudly Manufactured in Wichita, KS