KAISER BORING INSERT SELECTION
FOR FINISHING
INSERT GRADE
WORKPIECE
T2000Z T2500F
Hardened Steel
HRC40
Pre-hardened Steel/ Hardened Steel
Coated Cermet
HRC40-50
H1ZX
Coated Carbide
High Speed Cutting
HRC50+
BN2000
CBN
To Extend Life
BNC200 Coated CBN
Application Table (Corresponding to Hardness)
Hardness (HRC)
Insert Grade
40
45
50
55
60
T2000Z T2500F
Coated Cermet
Coated Carbide
H1ZX
CBN
BNC200 (BN2000)
Recommended Conditions
Cutting Speed SFM
Coolant
Hardness (HRC)
Insert Grade
Depth of Cut
40 - 50
H1ZX
330-429
.004-.008
Wet Recommended
55 +
BNC200 (BN2000)
231-330
.004-.008
• The standard is f=.002", corner R.008" and f=.004" for corner R.016" • For the round tool type, the stability limit conditions differ depending on the protrusion length of the tool, so please refer to the recommended cutting conditions table for the round tool type on pg. 497; please adjust the conditions as a reference • If tool life is reduced due to interrupted cutting, we recommend low speed conditions or dry cutting
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