Grooving Tools Selection Guide
1.575” / 40
External Grooving
.197” / 5
Width of cut .197” / 5mm or less Close-up
GNDXL
1.181” / 30
Width of cut 2.0mm is a made-to-order item
GNDL-J Internal Coolant Supply
.157” / 4
GNDL For Small Lathes
GNDL-J Internal Coolant Supply For Small Lathes
GNDL
GNDLS L type
GNDM-J Internal Coolant Supply For Small Lathes
.787” / 20
.118” / 3
GNDM
GNDM-J Internal Coolant Supply
GWC / GWCS
GNDMS L type GNDS
GNDM For Small Lathes
.079” / 2
F
.394” / 10
GWC / GWCS
.039” / 1
.197” / 5
GWB series Hardened Steel
.118” / 3
.039” / 1
0
.236” / 6
.275” / 7 .315” / 8
.354” / 9.394” /10
.079” / 2
.157” / 4
.197” / 5
0
.118” / 3
.039” / 1
.079” / 2
.157” / 4
.197” / 5
Groove Width ( Inch / mm )
Groove Width (Inch / mm )
External Grooving Tools
* mark: For groove depths and width combinations, refer to the above gures or the relevant page.
Groove Depth* Groove Width*
Structure
Insert Shape ( ) indicates no. of cutting edges
1.575 / 40
.787 / 20 1.181 / 30
.394 / 10
Series
Shape
Features
(Inch / mm )
.079 / 2
.157 / 4
.236 / 6
.315 / 8
.394 /10
GWC
· High rigidity double clamping (Screw-on for Mini Holders) · Triangular type insert with 3 usable corners
.197” / 5.0
.189” / 4.8
.013” / .33
F43
(3) (Standard, with Chipbreaker) Traverse Cutting Possible
GWCS
.197” / 5.0
· "L-shaped" (side cut) GWC holder
.189” / 4.8
.013” / .33
F44
Hardened Steel GWB *1
· High-rigidity design reduces vibration · Enables high-efficiency turning and traversing thanks to its short tool overhang length · High-rigidity design reduces vibration · 16x16, 20x12mm square shanks available · High rigidity double clamping · Employs Coated CBN - SUMIBORON for interrupted turning of hardened steel
.197” / 5.0
.059” / 1.5 Traverse Cutting Possible (1)
. 236” / 6.0
F56
GNDS
.394” / 10.0
.079” / 2.0
. 236” / 6.0
F32
GNDM For Small Lathes
.669” / 17.0
.118” / 3.0
F23
.049” / 1.25
Internal Coolant Supply For Small Lathes GNDM-J
· GNDM with internal coolant supply for small lathes
.669” / 17.0
(2) (2)
.118” / 3.0
F24
.049” / 1.25
GNDM
· High-rigidity design reduces vibration · Perfect for traverse cutting and profiling
.708” / 18.0
Traverse Cutting Possible
.315” / 8.0
F25
.049” / 1.25
GNDMS GNDM-J Internal Coolant Supply
1 .708” / 8.0
· GNDM with internal coolant supply
.079” / 2.0
. 236” / 6.0
F26
.906” / 23.0
· "L-shaped" (side cut) GNDM
.118” / 3.0
. 236” / 6.0
F26
For Small Lathes GNDL
· High-rigidity design reduces vibration · 10x10, 12x12, 16x16, 20x12mm square shanks available
.827” / 21.0
.118” / 3.0
F23
.049” / 1.25
Internal Coolant Supply For Small Lathes GNDL-J
· GNDL with internal coolant supply for small lathes
.827” / 21.0
.118” / 3.0
F24
.049” / 1.25
GNDL
(2)
· High-rigidity design reduces vibration · Perfect for grooving, deep grooving and cut-off applications
.984” / 25.0
.315” / 8.0
(2)
F27
.049” / 1.25
Internal Coolant Supply GNDL-J
.984” / 25.0
· GNDL with internal coolant supply
.079” / 2.0
. 236” / 6.0
F28
GNDLS
.984” / 25.0
· "L-shaped" (side cut) GNDL
.079” / 2.0
. 236” / 6.0
F28
GNDXL
(1)
· Supports a maximum grooving depth of 32mm.
1.260” / 32.0
*2
.079” / 2.0
. 236” / 6.0
*1: For hardened steel, refer to page F57 for CBN / SUMIBORON Grooving Holder BNGG series. *2: Width of cut 2.0mm is a made-to-order item. (1) F33
F2
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