American National Carbide - Product Support

On Edge Threading and Grooving Boring Bar Nomenclature

Simply click on any letter or digit in the part description below to see a full explanation of its meaning.

S 20 S T H O L 4

Bar Composition

S = Steel

Bar Diameter

This indicates the number of 1/8" in the diameter of the bar.

Insert Holding

S = Screw lock only

Insert Shape

T = Triangle

Toolholder Style

H = Offset shank for I.D. threading and shallow grooving

Rake Altitude

N = Negative

O = Neutral

P = Positive

Hand

R = Right hand

L = Left hand

N = Neutral hand

Insert Size

This indicates the number of 1/8" in I.C. of the insert.

Contact ANC Customer Service and Support at (800) 331-7585 for help in selecting the most appropriate product for your application, or click here to request literature for more specific product information.

American National Carbide

American National Carbide
915 South Cherry Street
Tomball, Texas U.S.A. 77375-6669
(281) 351-7165 - (800) 331-7585
Fax: (281) 255-9333
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