Sumitomo General Catalog 2025-2026

CBN Grooving Tools CGA PSC / BNGG

CGA PSC

n Features & Benefits • New double clamping system provides reliable grooving of hardened steel • 80° tangentially mounted CGA style insert for improved rigidity • Wide range of widths and grades for continuous and interrupted grooving operations • New special coated CBN grade BNC30G extends tool life of insert

Cassette

Dimensions ( mm )

Stock Grooving Width w ( mm )

Grooving Depth a r ( mm )

Cat. No. R / L

Tightening Torque (N·m)

Tightening Torque (N·m)

Insert Screw

Insert Wrench

Clamp Set

Cap Screw

Clamp Wrench

Insert

R L GWBCM □ 45 «« GWBCM □ 60 ««

CGA 1504 □□ 0 CGA 4 □□□ CGA 1506 □□ 0 CGA 6 □□□

1.5 - 2.0 2.5 - 3.0 3.5 - 6.0

3.5 4.0 5.0

BFTX0511N 5.0

TRX20 SCP4A BX0414 3.0

LH030

Holder

F

Catalog Number

Torx Screw

Tightening Torque (N·m)

Wrench

Note

B

Stock

WF LH

Right handed Cassette goes with right handed holder Left handed Cassette goes with left handed holder Right handed Cassette goes with left handed holder Left handed Cassette goes with right handed holder

PSC40GM00 R/L  PSC50GM00 R/L  PSC40GM90 R/L  PSC50GM90 R/L 

40 50 40 50

22 27

82 82

BFTX0619N 7.5

TRD25

43 52.5

48

55

● Improved rigidity for longer tool life Strong clamping reduces insert breakage and holder chatter ● Enhanced tooling for 2mm fine grooves or threading Grooving and threading can be done by changing the support ■ Features & Benefits

BNGG

Top Clamp for Hardened Steel Shallow Grooves

External

External Grooving BNGG

External Threading BNGG-TT

Fig 1 (Grooving) CDX

Fig. 2 (Threading) CDX

LF

LF

Holder 

Dimensions (inch/ mm )

Stock Cutting Edge Distance Groove Depth Overall Length

Applicable Insert

Shank Size Fig

Cat. No.

R L

WF

CDX .200

LF

BNGG R/L 160

1.250

6.000 BNGNT

1.00 x 1.00 1

l « « « « « « «

BNGG R/L2525-200 BNGG R/L2525-250 BNGG R/L2525-300 BNGG R/L2525-400 BNGG R/L2525-500 BNGG R/L2525-600 BNGG R/L2525-TT

30.5 30.5 30.5 30.5 30.5 30.5 28.5

4 4 5 6 6 7 5

150 150 150 151 151 152 150

BNGNT0200 R/L BNGNT0250 R/L BNGNT0300 R/L BNGNT0400 R/L BNGNT0500 R/L BNGNT0600 R/L

1 1 1 1 1 1 2

25mm x 25mm

BNTT1020 R/L, BNTT1530 R/L

Inserts are not embedded into tool holders. * Holder body is universal. The anvil can be configured for different groove widths or threading by changing the support. Insert ( CBN / SUMIBORON) 

Dimensions ( mm )

Groove Depth

Nose Radius

Overall Length

Cutting Edge Distance

BN250 BNX20 BN350 BNX25 Width of Cut

Applicable Holder

Cat. No.

Fig

Fig. 1 (Grooving)

Fig. 2 (Threading)

RLRLRLRL CW CDX RE L WF3

Back Taper 30’

CDX

RE

BNGNT0200 R/L l l BNGNT0250 R/L l l BNGNT0300 R/L l l BNGNT0400 R/L l l BNGNT0500 R/L l l BNGNT0600 R/L l l

2.0 4.0 0.2 25 6.0 BNGG R/L 2525-200 1 2.5 4.0 0.2 25 6.0 BNGG R/L 2525-250 1 3.0 5.0 0.4 25 6.0 BNGG R/L 2525-300 1 4.0 6.0 0.4 26 6.0 BNGG R/L 2525-400 1 5.0 6.0 0.4 26 6.0 BNGG R/L 2525-500 1 6.0 7.0 0.4 27 6.0 BNGG R/L 2525-600 1

17

17

L

2-RE

L

Back Taper 30’

BNTT1020 R/L l BNTT1530 R/L l

Pitch 1.0 to 2.0 0.14 25 4.0 Pitch 1.5 to 3.0 0.2 25 4.0

2 2

BNGG R/L 2525-TT

Parts

Anvil Sold Separately

Recommended Cutting Conditions ● Grooving Cutting Conditions H Hardened Steel Cutting Speed v c (SFM) 250 – 400 Feed Rate f (IPR) .001 - .0025 ● Threading Cutting Conditions H Hardened Steel Cutting Speed v c (SFM) 250 – 400 Feed Rate f (in.) Maximum Pitch .118

Anvil

Clamp Adjustment Screw Spring Cap Screw Wrench

Applicable Holder

BNGG R/L 160

BNGS R/L

BNGG R/L2525-200 BNGS R/L 200 BNGG R/L2525-250 BNGS R/L 250 BNGG R/L2525-300 BNGS R/L 300 BNGG R/L2525-400 BNGS R/L 400 BNGG R/L2525-500 BNGS R/L 500 BNGG R/L2525-600 BNGS R/L 600 BNGG R/L2525-TT BNGS R/L TT

LH050 (For Clamp) LH030 (For Support)

BX0615 (For Clamp) BX0414 (For Support)

1.8 × 45

BNGC R/L FMJ GSP06

F57

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