Skip to content
FREE SHIPPING ON ORDERS OVER $200
FREE SHIPPING ON ORDERS OVER $200

Durable Corner Radius End Mills for Long-Lasting Performance

Discover Corner Radius End Mills for longer tool life and durability. Multiple sizes and coatings for versatile machining. Made in Wichita, KS, with free shipping over $200.

Star Tool Inc End Mill 1/2" x 4 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .030 R & Futura Nano Coating EM-12441625030-TiAlN
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

1/2" x 4 Fl x 4" OAL x 1-5/8" LOC w/ .030 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
10 in stock

Diameter - 1/2" Flutes - 4 Overall Length - 4" Length of Cut - 1.625" Radius - .030 Coating - TiAlN

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Star Tool Inc End Mill 1/2" x 4 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .060 R & Futura Nano Coating EM-12441625060-TiAlN
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

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

Star Tool Inc
10 in stock

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

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Star Tool Inc End Mill 1/2" x 4 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .090 R & Futura Nano Coating EM-12441625090-TiAlN
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

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

Star Tool Inc
4 in stock

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

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Star Tool Inc End Mill 1/2" x 4 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .120 R & Futura Nano Coating EM-12441625120-TiAlN Sold out
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

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

Star Tool Inc
Out of stock

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

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Sold out
Star Tool Inc End Mill 1/2" x 5 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .030 R & Futura Nano Coating EM-12541625030-TiAlN
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

1/2" x 5 Fl x 4" OAL x 1-5/8" LOC w/ .030 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
17 in stock

Diameter - 1/2" Flutes - 5 Overall Length - 4" Length of Cut - 1.625" Radius - .030 Coating - TiAlN

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Star Tool Inc End Mill 1/2" x 5 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .060 R & Futura Nano Coating EM-12541625060-TiAlN
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

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

Star Tool Inc
18 in stock

Diameter - 1/2" Flutes - 5 Overall Length - 4" Length of Cut - 1.625" Radius - .060 Coating - TiAlN

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Star Tool Inc End Mill 1/2" x 5 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .125 R & Futura Nano Coating EM-12541625125-TiAlN
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

1/2" x 5 Fl x 4" OAL x 1-5/8" LOC w/ .125 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
2 in stock

Diameter - 1/2" Flutes - 5 Overall Length - 4" Length of Cut - 1.625" Radius - .125 Coating - TiAlN

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Star Tool Inc End Mill 1/2" x 5 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .190 R & Futura Nano Coating EM-12541625190-TiAlN
Sold out
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

1/2" x 5 Fl x 4" OAL x 1-5/8" LOC w/ .190 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 5 Overall Length - 4" Length of Cut - 1.625" Radius - .190 Coating - TiAlN

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Sold out
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .190 R EM-12431250190
$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96

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

Star Tool Inc
8 in stock

Diameter - 1/2" Flutes - 4 Overall Length - 3" Length of Cut - 1.250" Radius - .190 Coating - Uncoated

$50.96 - $50.96
$50.96
$50.96 - $50.96
$50.96
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
Sold out
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

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

Star Tool Inc
Out of stock

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

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Sold out
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
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

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

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .010 R EM-12441625010
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

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

Star Tool Inc
8 in stock

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

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .190 R EM-12441625190
Sold out
$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68

1/2" x 4 Fl x 4" OAL x 1-5/8" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 4 Overall Length - 4" Length of Cut - 1.625" Radius - .190 Coating - Uncoated

$64.68 - $64.68
$64.68
$64.68 - $64.68
$64.68
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
$58.70 - $58.70
$58.70
$58.70 - $58.70
$58.70

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

Star Tool Inc
4 in stock

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

$58.70 - $58.70
$58.70
$58.70 - $58.70
$58.70
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
$58.70 - $58.70
$58.70
$58.70 - $58.70
$58.70

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

$58.70 - $58.70
$58.70
$58.70 - $58.70
$58.70
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .010 R EM-124351500010
Sold out
$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35

1/2" x 4 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 - 4 Overall Length - 3.5" Length of Cut - 1.500" Radius - .010 Coating - Uncoated

$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35
Sold out
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .030 R EM-124351500030
Sold out
$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35

1/2" x 4 Fl x 3.5" OAL x 1-1/2" LOC w/ .030 R | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 4 Overall Length - 3.5" Length of Cut - 1.500" Radius - .030 Coating - Uncoated

$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35
Sold out
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .060 R EM-124351500060
$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35

1/2" x 4 Fl x 3.5" OAL x 1-1/2" LOC w/ .060 R | Carbide End Mill

Star Tool Inc
3 in stock

Diameter - 1/2" Flutes - 4 Overall Length - 3.5" Length of Cut - 1.500" Radius - .060 Coating - Uncoated

$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .090 R EM-124351500090
$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35

1/2" x 4 Fl x 3.5" OAL x 1-1/2" LOC w/ .090 R | Carbide End Mill

Star Tool Inc
10 in stock

Diameter - 1/2" Flutes - 4 Overall Length - 3.5" Length of Cut - 1.500" Radius - .090 Coating - Uncoated

$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .120 R EM-124351500120
$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35

1/2" x 4 Fl x 3.5" OAL x 1-1/2" LOC w/ .120 R | Carbide End Mill

Star Tool Inc
6 in stock

Diameter - 1/2" Flutes - 4 Overall Length - 3.5" Length of Cut - 1.500" Radius - .120 Coating - Uncoated

$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35
Star Tool Inc End Mill 1/2" x 4 Fl Performer Carbide End Mill, 3.5" OAL x 1-1/2" LOC w/ .190 R EM-124351500190
$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35

1/2" x 4 Fl x 3.5" OAL x 1-1/2" LOC w/ .190 R | Carbide End Mill

Star Tool Inc
9 in stock

Diameter - 1/2"  Flutes - 4 Overall Length - 3.5" Length of Cut - 1.500" Radius - .190 Coating - Uncoated

$59.35 - $59.35
$59.35
$59.35 - $59.35
$59.35
Star Tool Inc End Mill 1/2" x 4 Fl Performer Plus Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .190 R & Futura Nano Coating EM-12431250190-TiAlN
$70.07 - $70.07
$70.07
$70.07 - $70.07
$70.07

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

Star Tool Inc
13 in stock

Diameter - 1/2" Flutes - 4 Overall Length - 3" Length of Cut - 1.250" Radius - .190 Coating - TiAlN

$70.07 - $70.07
$70.07
$70.07 - $70.07
$70.07
Star Tool Inc End Mill 1/2" x 4 Fl Performer Plus Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .190 R & Futura Nano Coating EM-12441625190-TiAlN
Sold out
$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70

1/2" x 4 Fl x 4" OAL x 1-5/8" LOC w/ .190 R & Futura Nano Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 4 Overall Length - 4" Length of Cut - 1.625" Radius - .190 Coating - TiAlN

$89.70 - $89.70
$89.70
$89.70 - $89.70
$89.70
Sold out
Star Tool Inc End Mill 1/2" x 5 Fl Performer Pro Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .030 R & Alcrona Pro Coating EM-12531250030-AlCrN
$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14

1/2" x 5 Fl x 3" OAL x 1-1/4" LOC w/ .030 R & Alcrona EVO Coating | Carbide End Mill

Star Tool Inc
5 in stock

Diameter - 1/2" Flutes - 5 Overall Length - 3" Length of Cut - 1.250" Radius - .030 Coating - AlCrN

$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14
Star Tool Inc End Mill 1/2" x 5 Fl Performer Pro Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .060 R & Alcrona Pro Coating EM-12531250060-AlCrN
$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14

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

Star Tool Inc
16 in stock

Diameter - 1/2" Flutes - 5 Overall Length - 3" Length of Cut - 1.250" Radius - .060 Coating - AlCrN

$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14
Star Tool Inc End Mill 1/2" x 5 Fl Performer Pro Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .090 R & Alcrona Pro Coating EM-12531250090-AlCrN
Sold out
$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14

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

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 5 Overall Length - 3" Length of Cut - 1.250" Radius - .090 Coating - AlCrN

$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14
Sold out
Star Tool Inc End Mill 1/2" x 5 Fl Performer Pro Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .125 R & Alcrona Pro Coating EM-12531250125-AlCrN
Sold out
$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14

1/2" x 5 Fl x 3" OAL x 1-1/4" LOC w/ .125 R & Alcrona EVO Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 5 Overall Length - 3" Length of Cut - 1.250" Radius - .120 Coating - AlCrN

$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14
Sold out
Star Tool Inc End Mill 1/2" x 5 Fl Performer Pro Carbide End Mill, 3" OAL x 1-1/4" LOC w/ .190 R & Alcrona Pro Coating EM-12531250190-AlCrN
Sold out
$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14

1/2" x 5 Fl x 3" OAL x 1-1/4" LOC w/ .190 R & Alcrona EVO Coating | Carbide End Mill

Star Tool Inc
Out of stock

Diameter - 1/2" Flutes - 5 Overall Length - 3" Length of Cut - 1.250" Radius - .190 Coating - AlCrN

$83.14 - $83.14
$83.14
$83.14 - $83.14
$83.14
Sold out
Star Tool Inc End Mill 1/2" x 5 Fl Performer Pro Carbide End Mill, 4" OAL x 1-5/8" LOC w/ .060 R & Alcrona Pro Coating EM-12541625060-AlCrN
$108.29 - $108.29
$108.29
$108.29 - $108.29
$108.29

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

Star Tool Inc
12 in stock

Diameter - 1/2" Flutes - 5 Overall Length - 4" Length of Cut - 1.625" Radius - .060 Coating - AlCrN

$108.29 - $108.29
$108.29
$108.29 - $108.29
$108.29

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