Insert Designation
Insert Designation
Z
D 86° 86° 2
K
T
85° 85°
1
3
4
82° 82°
85° 85°
135° 135°
86° 86° 86° 86°
85°
Shape of Insert 85° 85°
86°
85° 82° 82° 82° 80° 80° 80° 82° 82° 80°
80° 80°
Tolerance
C
82°
135° 135° 135° 135°
Diamond Apex 80°
135°
m
D
86°
m
Diamond Apex 55°
55° 55°
80°
O
Octagon
135°
s
55° 55°
90° 90°
55° 55° 55° 55° 55° 55° 55° 55° 55°
d
C
55°
R
80°
Inscribed Circle Tolerance (mm)
Corner Height Tolerance (mm)
Round
7°
Thickness Tolerance (mm)
Symbol
35° 35° 60° 60°
90° 90° 90° 90°
D,V
55°
90°
S
A C
d m ±0.025 ±0.025 ±0.025
±0.005 ±0.013 ±0.025 ±0.013 ±0.013
±0.025 ±0.025 ±0.025 ±0.025 ±0.025
D
Square
15°
55° 55° 60° 35° 35° 35° 35° 60° 60° 60° 60° 80° 80° 80° 80° – 35° 80°
T
Triangle
90° 60°
E
E
55° 55° 55° 55° 55°
80° 80°
V
H ±0.013
Diamond Apex 35°
20°
35°
55°
β
K *
±0.05~±0.15
N
W
B
Axonometric Hexagon
M * N *
±0.05~±0.15 ±0.08~±0.18 ±0.05~±0.15 ±0.08~±0.18
±0.13
0°
β=70-90゜
Z
Other Shapes
±0.025
N R B T N R W
55°
P
β
* Sintered insert shown on the side
11°
β
Clearance Angle
B
80°
β=70-90゜
A C
A
β
3°
β=70-90゜
Special Cutting and Fastening Feature
C C C
N R
3° 7° 7° 7° 7° 7°
With or Without Breaker
Shape of Hole
Insert Cross Section β=40-60゜
Symbol
C
C
7°
β
D
W
No Breaker
D D D
(40°~60°) Partial cylindrical hole
15° 15° 15° 15° 15° 20° 20° 20° 20° 20°
β
β=40-60゜
D
β β
15°
D
T
T
One Side
U T
β=40-60゜
E
E E E
β=40-60゜ β=40-60゜
β
β β β β
E
20°
(70°~90°) Partial cylindrical hole
B
W
No Breaker
E N
W B B U N R B T N R N R T T W
β=40-60゜
N N N
β=40-60゜ β=70-90゜ β=70-90゜ β=70-90゜
β
N
0°
0° 0° 0° 0° 0°
(40°~60°) Partial cylindrical hole
U N
β
Both Sides
U
N
β=40-60゜
P
–
No Breaker
P
β=40-60゜
11°
P P P
11° 11° 11° 11° 11°
R
–
One Side
P
X
Special Dimension
β β β β β
A
A A A
3° 3° 3°
358
Drilling Technical
osgtool.com β=40-60゜
β=40-60゜ β=40-60゜
A
3°
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