KOHER GRADE INFORMATION
PCD GRADE
KP01E [<1㎛]
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Super fine grade provides stable wear-resistance
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For precision machining of non-ferrous metals and non-metals
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Low silicon aluminum alloy & Titanium machining
KP05 [6㎛]
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General purpose with fine surface finishing
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Graphite, Copper alloy
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Wood composites
KP10 [10㎛]
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Good wear resistance and toughness.
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General use, high speed cutting of aluminum alloy
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< 14% silicon aluminum alloy
KPC [25㎛]
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Higher wear resistance and impact resistance
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Suitable for hard to cut materials with wear
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> 14% silicon aluminum alloy
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Sintered tungsten carbide
KP302 [2+30㎛]
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Higher impact and wear resistance
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Bi-modal mixed grain structure
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Stone sawing
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> 14% silicon aluminum alloy
CBN GRADE [Low-content]
KB404
For continuous hard turning process which causes heat and wear problem.
Suitable for both wet and dry process.
Type
Content
Grain Size
Binder
Application
NX
40％
2-3㎛
TiCN
Continous
*KOHER is continuously developing new CBN grades for its customers. Please contact us for more information.
KB504
For continuous hard turning process which causes heat and wear problem.
Type
Content
Grain Size
Binder
Application
NX
40％
2-3㎛
TiCN
Continous
*KOHER is continuously developing new CBN grades for its customers. Please contact us for more information.
KB601
Optimized for light interrupted cut.
Type
Content
Grain Size
Binder
Application
NX
40％
2-3㎛
TiCN
General
*KOHER is continuously developing new CBN grades for its customers. Please contact us for more information.
KB604
For continuous to medium cut of hardened steel with superior flank wear resistant.
Type
Content
Grain Size
Binder
Application
NX
40％
2-3㎛
TiCN
General
*KOHER is continuously developing new CBN grades for its customers. Please contact us for more information.
KB620
For high speed interrupted cut.
Type
Content
Grain Size
Binder
Application
NX
40％
2-3㎛
TiCN
General / Light to Heavy Interrupted
*KOHER is continuously developing new CBN grades for its customers. Please contact us for more information.
CBN GRADE [Coated Low-content Half Solid CBN ]
KB500A
Super outstanding performance on Continuous Hard turning grade with high heat resistance.
Type
Content
Grain Size
Binder
Application
HS
65％
--
TiC / TiN
Mid ~ Heavy Interrupted
KB650A
Light to Heavy interrupted hard turning and milling grade. Half solid type of CBN grade provides excellent tool life with great impact resistance.
Type
Content
Grain Size
Binder
Application
HS
65％
--
TiC / TiN
Mid ~ Heavy Interrupted
CBN GRADE [High-content for cast iron]
KB902
For interrupted cut of cast iron / sintered alloy machining process.
Type
Content
Grain Size
Binder
NX
90％
1㎛
TiCN
Application
general
KB951
For continuous to medium cut of cast iron / sintered alloy with good wear resistant.
Type
Content
Grain Size
Binder
NX
90％
1㎛
Titanium alloy
Application
general
KB952
For rough or semi-finishing process of cast iron / sintered alloy turning and milling process.
Type
Content
Grain Size
Binder
NX
90％
1㎛
Titanium alloy
Application
general, semi-finishing
CBN INSERT CORNER TYPE
* A following number after type (e.g. TNGA160408N"1" or TNGA160408HS"1" or TNGA160408TS"2") means the number of cutting edges.
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N Type : KB404 / KB504 / KB601 / KB604 / KB620 / KB902 / KB951 / KB952
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HS Type : KB500 / KB650 / KB601 / KB620
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TS Type : KB601 / KB620
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Solid Type : KB902S / KB951S / KB952S / KB601S