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Home / End Mills / Cobalt Finishers / Ball Nose Single End / 4-RCO

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4-RCO

4-RCO

M-42 8% Premium Cobalt End Mills 2-Flute Single End Regular Length Ball Nose (Made in Korea)

SKU#

Stock #

Flute Dia.

Shank Dia.

L.O.C.

O.A.L.

Qty

Price

4-R-4CO.

R-4CO.

1/8"

3/8"

3/8"

2-5/16"

1

Log in for price

4-R-6CO.

R-6CO.

3/16"

3/8"

1/2"

2-3/8"

1

Log in for price

4-R-8CO.

R-8CO.

1/4"

3/8"

5/8"

2-7/16"

1

Log in for price

4-R-10CO.

R-10CO.

5/16"

3/8"

3/4"

2-1/2"

1

Log in for price

4-R-12CO.

R-12CO.

3/8"

3/8"

3/4"

2-1/2"

1

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4-R-16CO.

R-16CO.

1/2"

1/2"

1"

3"

1

Log in for price

4-R-20CO.

R-20CO.

5/8"

5/8"

1-3/8"

3-1/2"

1

Log in for price

4-R-24CO.

R-24CO.

3/4"

3/4"

1-5/8"

3-7/8"

1

Log in for price

4-R-32CO.

R-32CO.

1"

1"

2-1/4"

4-3/4"

1

Log in for price

4-R-40-YCO.

R-40YCO.

1-1/4"

1-1/4"

2-1/2"

5"

1

Log in for price

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Universal Cutting Tools, Inc. (UCT) has been serving the industrial and commercial tooling markets for over 50 years. Headquartered in Warren, Michigan. UCT possesses millions of products in its inventory that include Taps, Drills, End Mills, Reamers, Dies, Combined Drills and Countersinks, and Counterbores.

Our top quality cutting tools have provided industrial manufacturers the ability to create world-class products for consumers and businesses around the world. To learn more about the application of our products we encourage you to call us at (800) 521-0552.

Universal Cutting Tools, Inc.

2276 E. 14 Mile Road
Warren, MI 48092

Phone: (586) 977-8500

Toll-Free: (800) 521-0552

Fax: (586) 977-1622

© 2026 Universal Cutting Tools, Inc.

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