SUMIBORON Helical Master BNES Type
Hardened Steel 45 to 55HRC
Hardened Steel 55 to 60HRC
Hardened Steel 60 to 65HRC
Pre-hardened Steel
Flute
Helix Angle
Side Milling
Fig 1
RE 0.2
LU APMX
LF
I
Body
Dimensions ( mm )
Dia. DC
Cutting Edge Length APMX
Neck Length LU
Overall Length LF
Shank Dia. DMM
Cat. No.
Fig
BNES1060 BNES1080 BNES1100 BNES1120 BNES1140 BNES1160 Grade: BN350
1 1 1 1 1 1
6.0 8.0
7.0
11.0 14.0 17.0 20.0 21.5 24.0
60 70 75 80 80 80
10 10 12 12 16 16
10.0 12.0 14.0 16.0 18.0
10.0 12.0 14.0 16.0
Recommended Cutting Conditions 1. Use dry cutting (air blow) conditions. 2. Down cut is recommended. 3. Make overhang as short as possible and use a rigid machine.
a e
Side Milling
High-Hardness Hardened Steel (50 to 57HRC) Cutting Speed V C 100 to 170m/min
High-Hardness Hardened Steel (58 to 65HRC) Cutting Speed V C 80 to 150m/min
Work Material (Hardness) Cutting Conditions
Work Material (Hardness) Cutting Conditions
Spindle Speed (min -1 )
Spindle Speed (min -1 )
Feed Rate (mm/min)
Feed Rate (mm/min)
Depth of Cut a e (mm)
Depth of Cut a e (mm)
DC (mm)
DC (mm)
ø6 to 8 4,000 to 9,000 240 to 540 ø10 to 12 2,700 to 5,400 180 to 360 ø14 to 16 2,000 to 3,800 140 to 260
up to 0.1 up to 0.15 up to 0.2
ø6 to 8 3,200 to 8,000 150 to 370 ø10 to 12 2,100 to 4,800 120 to 370 ø14 to 16 1,600 to 3,400 110 to 230
up to 0.08 up to 0.12 up to 0.15
I 80
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