
5 Narrow part extension chart 30 4
Expanded 3 20
Expanded
| GWC/GWCS | GNDMGNDM | GNDL | ||||
| ded | anded | |||||
| Expan | Exp | |||||
| 2 | For small latheFor small lathe | For small lathe | GNDMS |
10 GNDS 1 SGE GWC/GWC/
5 GWB
For hardened steel
0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 10
width (mm) width (mm)
* mark: For groove depth and width combinations, see the chart above or the relevant page.
| Depth* | 10 | 20 | 30 | 40 (mm) | ||||
| Shape | Insert shape | |||||||
| Type | Characteristics |
( ): Number of corners Width*
2 4 6 8 10(mm)
F GWC High rigidity double clamp
5.0 (Inserts for MINI Tool holders are screwed on.)
| → | 4.8 | ・ | |
| F4 | 0.33 | Inserts with breakers stocked |
GWCS 5.0 (3) L-styled (horizontal) GWC type holder
| F5 | (standard, with chipbreaker) | 0.33 | |||||
| GWB | ・ | ||||||
| 5.0 | High rigidity double clamp | ||||||
| Grooving | ・ | ||||||
| (1) | Suitable for intermittent machining of hardened |
Traverse 1.5 6.0 steel with coated SUMIBORON
| Cut-Off | For hardened steel | →F41 | |||
| machining possible | |||||
| Threading | SGE | ・ | |||
| 8.0 | Traverse machining (groove widening) is |
Traverse (2) possible
machining possible 3.0 6.0
F30 GNDS Suppresses chatter with its high rigidity design. 10.0
2.0 6.0 grooving and traverse machining.
F24 GNDM 12.0 Suppresses chatter with its high rigidity design. Small tool
(2) 16mm square shanks are available
| → | 1.25 | 3.0 | |
| Expanded | F22 |
| GNDM | (2) | 18.0 | ・ | |
| Suppresses chatter with its high rigidity design. | ||||
| Traverse | ・ Best suited for traverse machining and copying |
anded 1.25 8.0
Exp →F26 machining possible
GNDMS 23.0
3.0 6.0
F26 GNDL 16.0 Suppresses chatter with its high rigidity design. Small tool
10, 12, 16mm square shanks are available
| → | 1.25 | 3.0 | |
| anded | F22 | ||
| Exp |
| GNDL | (2) | ・ Suppresses chatter with its high rigidity design. | |
| 25.0 | ・ | ||
| Best suited for grooving, deep grooving and | |||
| Expanded | cut-off applications |
1.25 8.0
F28 (2) GNDLS 25.0
2.0 6.0
F28 You can use the SUMIBORON grooving tool BNGG type (→F42) for hardened steel.
Structure Depth* 10 20 30 (mm)
| Type | Shape | Insert shape | Work dia. | |
| Characteristics |
| ( ): Number of corners | Width* | 2 | 4 | 6 | 8(mm) | (mm) | |
| GNDN |
| 4.0 | From | ・ | ||
| Undercutting on corners possible | ||||
| (2) | 2.0 | 6.0 | ø20 |
→F31