• Grooving and Threading Inserts

Dimension (mm) Stock

Shape Groove Corner Total Edge Applicable

Appearance Cat. No. Width Fig

(Right-hand tool)BN2000 BN250 BNX20 BN350DepthRadius Length DistanceHolder
RLRLRLRLCWCDXREL WF3
BackBNGNT 0200 R/LDD2.0 4.0 0.225 6.0
Fig1
taper30'CDXDD
REBNGNT 0250 R/L2.5 4.0 0.225 6.0
SUMIBORON
BNGNT 0300 R/LDD3.0 5.0 0.425 6.0
BackRE17Grooving Holder
L1
taper30'BNGNT 0400 R/LDD4.0 6.0 0.426 6.0BNGG Type
DD→ L112
BNGNT 0500 R/L5.0 6.0 0.426 6.0
BNGNT 0600 R/LDD6.0 7.0 0.427 6.0
BNTT 1020 R/LDPitch=1.0-2.0 0.1425 4.0
Fig1
1 SUMIBORON
REBNTT 1530 R/LDPitch=1.5-3.0 0.2025 4.0

Grooving Holder BNGG Type L 17 → L112

  • Turning Inserts

Stock Dimension (mm)

BN2000 Inscribed Edge Nose Max. Groove Applicable

Appearance Shape Cat. No. Hole

CircleWidth RadiusHolder Depth
R LSize
ICCWRE CDX
TGA R/L4125D1.252.0
CW±0.025TGA R/L4150D1.503.5
RE RE
CDXTGA R/L4200D2.003.5
SEC-Grooving Holder
5.5TGA R/L4250D12.702.50(GWC, GWCS, GWCI Type) 5.5 0.2 4.0
IC
TGA R/L4300D3.00F4 to F5 4.0
TGA R/L4350D3.505.0
4.76D
TGA R/L44004.005.0

Refer to page L111 for CGA Type SUMIBORON grooving inserts for hardened steel. (Applicable Toolholder GWB type →L111)

  • Endmill Inserts

Stock Dimension (mm) Radius of Applicable

AppearanceShapeCat. No.Total Length Width Cutting Edge Thickness Fig
ballnoseCutter
RELW1APMXS
BEST 160SQ8.013.06.810.03.5
Fig1 BEST 160LQ8.013.06.813.03.5
RE
BEST 200SQ10.020.08.513.04.5
BEST 200LQ10.020.08.520.04.5
Q D1
APMX S BEST 250S12.522.510.515.55.0
SUMIBORON
L BEST 250LQ D12.522.510.522.55.0
Ball Endmill
Fig2 BEST 300SQ D15.025.012.018.06.0BES Type

RE Q D →

BEST 300L15.025.012.025.06.0L117
BEST 400SQ20.030.016.023.07.5
BEST 400LQ20.030.016.030.07.5
2
APMX S BEST 500SQ25.035.020.028.08.0
LQ
BEST 500L25.035.020.035.08.0L
RDHX 0701M0TFF FQ7.0QQ1.99
Fig1SUMIBORON
15°FF FQQQ
RDHX 0702M0T7.02.38Radius Endmill
FF FQQQ1
RDHX 1003M0T10.03.18BRC Type
RDHX 12T3M0TFF FQQQ→ L118

12.0 3.97 L ±0.013 S±0.025

F mark: To be replaced by new item (Please confirm stock availability) L97