CBN-SUMIBORON Small Hole Boring Bars BNB / BNC
SUMIBORON Clamp-on
PCD
92˚
BNB Internal Turning and Facing
Fig 1
DMIN Min. Bore Dia.
DCON
2°
H
LF
GAMF
Figure shows right-hand (R) tool.
E
Holder
Parts
Dimensions (inch/ mm )
Clamp Bolt
Nut
Wrench
Overall Length
Rake Angle
Min. Bore Dia.
Diameter
Height
Cat. No.
Fig
DMIN
DCON
H
LF
GAMF
C
(For Hex Socket)
BNB508R BNB510R BNB512R BNB516R BNB520R
0.394" ( 10.0) 0.472" ( 12.0) 0.551" ( 14.0) 0.708" ( 18.0) 0.866" ( 22.0)
BH0306 BNBW-2
0.315" (8.0) 0.276" ( 7.0) 5.512" (140) 0.394" (10.0) 0.354" ( 9.0) 5.512" (140) 0.472" (12.0) 0.433" ( 11.0) 6.299" (160) 0.630" (16.0) 0.551" ( 14.0) 7.086" (180) 0.787" (20.0) 0.708" ( 18.0) 7.086" (180)
-9° -8° -6° -5° -4°
1 1 1 1 1
FBUP3-A0-9 BNBW-4
TH020
BNBC
D
BH0310 BNBW-7
Insert (
CBN,
PCD)
Dimensions (Inch)
CBN - SUMIBORON PCD- SUMIDIA
Nose Radius
R
Sumitomo Cat. No.
ISO Cat. No.
RE
Fig 1
60°
1.59
TBGE520.5B TBGE521B TBGE522B
TBGN060102B TBGN060104B TBGN060108B
.0079 .0157 .0315 .0079 .0157 .0315 .0079 .0157
ø3.97
S
5°
TBGE520.5BSN * TBGE521BSN * TBGE522BSN * NFTBGE520.5 ** NFTBGE521 **
TBGN060102-BSTN *1 - TBGN060104-BSTN *1 - TBGN060108-BSTN *1 -
- - - - - - - - - - - - - - - - - -
5°
T
NF-TBGN060102 *2 NF-TBGN060104 *2
- - - - - - - - - - - - - -
*1 TBGN ○○○○○○ -BSTN is only available in BNX20 grade and has a smaller negative land angle. (BSTN: -15°, B: -25°. However, the negative land angle is uniquely configured for each grade.) *2 NF-TBGN is a single corner insert. (This is not a Full-Top insert)
V
BNC Boring and Facing
Fig 1
DMIN Min. Bore Dia.
DCON
W
H
LF
GAMF
Figure shows right-hand (R) tool.
Holder
Parts
Dimensions ( mm )
Clamp Bolt
Nut
Wrench
Overall Length
Rake Angle
Min. Bore Dia.
Diameter
Height
Cat. No.
Fig
DMIN
DCON
H
LF
GAMF
(For Hex Socket)
BNC508R BNC510R BNC512R BNC516R BNC520R
0.394" ( 10.0) 0.472" ( 12.0) 0.591" ( 15.0) 0.787" ( 20.0) 0.984" ( 25.0)
BH0306 BNBW-2
0.315" (8.0) 0.276" ( 7.0) 5.512" (140) 0.394" (10.0) 0.354" ( 9.0) 5.512" (140) 0.472" (12.0) 0.433" ( 11.0) 6.299" (160) 0.630" (16.0) 0.551" ( 14.0) 7.086" (180) 0.787" (20.0) 0.708" ( 18.0) 7.086" (180)
-9° -8° -6° -5° -4°
1 1 1 1 1
FBUP3-A0-9 BNBW-4
TH020
BNBC
BH0310 BNBW-7
Worldwide Warehouse Item
E74
Made with FlippingBook flipbook maker