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Turning tools \ Technical info / standard ISO boring bars

Overview of ISO boring bars

Clamping systems, dimensions
Designations
Clamping holder with cylindric shank (boring bar) according to DIN 8024
Shank design ➀
A Steel with inner E Carbide with inner
cooling lubrication feed
cooling lubrication feed
C Carbide S Steel
Shank diameter ➁

Shank diameter in mm.
In case of diameters of less than 10 mm, there will be a leading 0, e. g. 08.
Holder length ➂
X Special length

Symbols H J K L M N P Q R S T U V
mm 100 110 125 140 150 160 170 180 200 250 300 350 400

Clamping system ➃

Insert shape ➄
55°

K
Holder shape ➅

Clearance angle
indexable insert ➆

Cut direction ➇

R = right L = left

Cutter length ➈
Indication of the cutter length in mm without decimal point, in case of one-digit numerals with leading 0 (e. g. 08).
In case of round indexable inserts, the diameter is always indicated.
Additional indications
These indications do not form part of the standard and are facultative, e. g. "-U" stands: with shim.

Example ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈
S 32 U P C L C R 12

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 471

0603_EN_2018_KERN[21847912]-q.indd 604 12/17/2018 3:33:06 PM