Symbol Insert Shape S Square

BTTriangularM
CRhombic 80°
DRhombic 55°ICICSTriangular insert with a facet
(Secondary Cutting Edge)
VRhombic 35°
WTrigonv Symbol for Tolerance ClassDetail of M Class Insert Tolerance
Tolerance ofaTolerance of Nose Height M (inch)
RRoundTolerance ofInscribedTolerance of
Nose HeightThicknessI.C.Triangular Square RhombicRhombic RhombicRound
Symbol for Insert ShapeMCircle80°55°35°
x(inch)IC (inch)S (inch).250±.003 ±.003 ±.003 ±.004 ±.0063
G±.001±.001±.005.375±.003 ±.003 ±.003 ±.004 ±.0063
M * ±.003 – ±.0063 ±.002 – ±.003±.005.500±.005 ±.005 ±.005 ±.006
BM*As a rule, the sides of these inserts are as sintered.aTolerance of Inscribed Circle IC (inch)
With Breaker
Tolerance differs with insert size. For the accuracy ofI.C.Triangular Square RhombicRhombic RhombicRound
BFWith Breakerclass M, refer to the table on the right.80°55°35°
.250±.002 ±.002 ±.002 ±.002 ±.002
NPPetit Tip.375±.002 ±.002 ±.002 ±.002 ±.002 ±.002
No markStandard Type.500±.003 ±.003 ±.003 ±.003±.003

z Insert Geometry v Symbol for Tolerance Class

INCH

METRIC

c Symbol for Relief Angle b Symbol for Chipbreaker and Clamping System

Symbol Relief Angle Inch Metric

Figure I.C. .250" I.C. Hole Chip Figure Symbol Hole Hole Chip Figure

B 5° and over under .250" Symbol Hole Configuration Breaker Configuration Breaker

CADWWithNoAWithCylindricalNo
HoleCylindrical HoleHoleHole
D+
15°One Countersink
MPTWith(40 ─ 60°)OneMWithCylindricalOne
E20°HoleSidedHoleHoleSided
NNEBWithNoNWithoutNo
HoleCylindrical HoleHole
P11°One Countersink
Special XXHWith(70─ 90°)OneXSpecial –
DesignHoleSidedDesign