KAISER BORING CUTTING CONDITIONS
CENTRIC BORING BAR TYPE ST08 (ø.354"-.472")
Insert
Projection Length
Cutting Speed (SFM)
Cutting Depth (in./ø)
Workpiece
Nose Radius
Grade
.787
330 230 165 100 300 200 130 100 200 130 330 230 165 100 400 330 265 200
.008 .008 .008 .004 .008 .008 .008 .004 .004 .004 .008 .008 .008 .004 .008 .008 .008 .008
1.575 1.969 2.362
Carbon Steel Alloy Steel
T1500A T1200A
.008
.787
1.575 1.969 2.362
Stainless Steel
T1500A T1200A
.008
.787
Hardened Steel
NB10HA NBX20
.008
1.181
.787
1.575 1.969 2.362
Cast Iron
.008
H1
.787
1.575 1.969 2.362
Aluminum
.008
H1
• Red figures are achievable with boring bars made of carbide • Feed Rate Selection information; pg. 500
CENTRIC BORING BAR TYPE ST10 (ø.472"-.551")
Insert
Projection Length
Cutting Speed (SFM)
Cutting Depth (in./ø)
Workpiece
Nose Radius
Grade
1.181 1.772 2.362 2.756 3.150 1.181 1.772 2.362 2.756 3.150 1.181 1.772 2.362 1.181 1.772 2.362 2.953 3.543 1.181 1.772 2.362 2.953 3.543
400 460 330 250 165 400 430 300 180 130 260 200 100 400 430 300 200 100 500 600 500 300 200
.008 .008 .008 .006 .004 .008 .008 .008 .006 .004 .004 .004 .004 .008 .008 .006 .006 .004 .010 .010 .008 .008 .006
.008
T1500A
Carbon Steel Alloy Steel
.004
A1
.008
AC520U
Stainless Steel
.004
A1
Hardened Steel
.008
BN2000
.008
H1 (FN)
Cast Iron
.004
A1
.008
H1 (FLA)
Aluminum
.004
A1
• Red figures are achievable with boring bars made of carbide • Feed Rate Selection information; pg. 500
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