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the user with better guidance concerning the fields of application for the various insert
D
Increasing chip thickness / feed rate
MD

The Y.T. designation system for milling inserts has been developed to provide
M YIH TROUN ENTERPRISE CO.,LTD

ME Examples of different insert geometries for a specific insert type. ..AFTN-D Negative and very protected cutting edge ..AFTN-MD Negative and protected cutting edge ..AFTN-M Positive and protected cutting edge ..AFTN-ME Very positive and protected cutting edge ..AFN-E Very positive and very sharp cutting edge

E

Insert Geometries Designation system geometries. Diffi cult machining conditions, strong insert cutting edge. Easy machining conditions, sharp insert cutting edge.

to enable the durability. Specially used in the application of
B350 has enhanced the toughness of the tungsten carbide
390 design such as spot drill, center drill, 4-1 counterbore.
B100 is a unique rare metal grade with great heat and

C250 has a tough substrate in steel machining. C350 is the best recommend grade for steel machining. Especially in 390 system. ( Spot Drill, 4-1 Counterbore, This substrate is in accordance to the ISO K, N classifi cation. For application in Cast iron and non-ferrous metal such as Aluminum, copper or plastic ... etc. F30 is the substrate with new and heat-resistance coating Hard,wear re

cracking resistance. Tialn Tialn Helica Corner Rounding ) Helica suitable for cast iron. Helica Non-ferrous metal.

B100 B350 C250 C350 F20 TiN F30 CE K10 YIH TROUN ENTERPRISE CO.,LTD
Insert Grades PVD coated grades Uncoated Grades

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