ISO 5609 Designation

Boring Bars

The E20S SVLCR-13 carbide boring bar made by Denitool in Switzerland.

The above example code describes a right-hand side, internally cooled carbide boring bar with a functional length of 250 mm and a tool angle of 95 °. The insert is screwed down. It has an indexable insert with 35 ° corner angle, 7 ° clearance angle and 13 mm cutting edge length.

The boring bar is part of our Copy 35 ° turning program.

Designation symbols

1. | Type of tool

Key Material coolant hole
E Carbide w/
C Carbide w/o
A Steel w/
S Steel w/o

2. | Shank diameter

Key Neck diameter Shank diameter
0408 4 8
0508 5 8
0608 6 8
0810 8 10
1012 10 12
1216 12 16
04 - 4
05 - 5
06 - 6
08 - 8
10 - 10
12 - 12
16 - 16
20 - 20
25 - 25
32 - 32

3. | Tool length

Key Length
F 80
H 100
K 125
M 150
Q 180
R 200
S 250
T 300

4. | Insert, Fixation

Code Fixation
S With screw

5. | Insert, Type

Key Included Angle Shape
C 80° Rhombus
D 55° Rhombus
E 75° Rhombus
G 45° Rhombus
S 90° Square
T 60° Triangular
V 35° Rhombus
W 80° Trigon

6. | Tool style

Code Tool cutting edge angle Insert, Type
L 95° All
M 40° All
O All
U 93° All
V 15° All
Q 107.5° D
Q 95°, backwards V
X 50°, backwards C
X 93°, backwards D
X 113° V

7. | Insert, Clearance angle

Key Clearance angle
C
P 11°
D 15°

8. | Hand of tool

Code Hand of Tool
R Right hand
N Neutral
L Left hand

9. | Insert, Size

Key Insert, Size
04 04
05 05
06 06
07 07
09 09
11 11
13 13
16 16
20 20