External groovingExternal grooving GMGW typeGMGW type

GMGW

Insert Description

CW

Dimension (mm)TolerancePCD
-Applicable

CW CW toolholder

S RE LE INSL

min. max.

GMGW 6030-30R 6 5.5 3 4.5 30 - 0.03 + 0.03 N

INSL LE RE

GMGW 8030-40R85.54630- 0.03 + 0.03N
See table below
GMGW 8030-40R-HR85.54530- 0.03 + 0.03N

INSL LE RE

G GMGW inserts are exclusively used for KGMW toolholder. It cannot be used for other toolholder because of its different installation angle. GMGW inserts Edge Preparation : R-honed Cutting Edge. KGMW (External grooving / Face grooving) CDX

LH

HBL

Toolholder dimensions

Availabi- Dimension (mm) lity Description

RLCDXHBLHHFHBHHBLLFWF
KGMW&2525M-6NN2525254025135515022.8
KGMW&2525M-8NN2525254025135515022

Recommended cutting conditions KGMW

LF

Spare parts Clamp bolt Wrench (hex.)

HH6X25 LW-5 HH6X25 LW-5

Right-hand shown

Applicable inserts

GMGW6030-30R GMGW8030-40R GMGW8030-40R-HR

Recommended insert grades (Vc: m/min)(1) f for grooving (mm/rev)
Workpiece materialPCD(2) f for turning (mm/rev)
KPD001(3) ap for turning (mm)
Aluminum 150~2,700(1) 0.05 ~ 0.3 (2) 0.2 ~ 0.8 (3) Max. 3

:1st recommendation

VNG

NN : Standard item : Standard item RR : Right hand only : Right hand only LL : Left hand only : Left hand only UU : Check availability : Check availability

G52 VNG04 VNG06

MEGA PVD Carbide

Workpiece material VNG05 VNG07 Remarks

Carbon steel / Alloy steel~0.03~0.05
Stainless steel~0.02~0.03Coolant
Non-ferrous metals~0.05~0.08

SIGC

Recommended insert grades (Vc: m/min) (1) f for grooving (mm/rev) MEGACOAT MEGACOAT (2) f for turning (mm/rev) NANO PLUS NANO (3) ap for turning (mm)

PR1535 PR1725&&& &
&GC10, GC12GC10, GC12
GC08 …
100 ~ 200…250 ~ 300…
(1) 0.01~0.03(1) 0.02~0.04(1) 0.02~0.04
Carbon steel(2) 0.01~0.03(2) 0.02~0.04(2) 0.02~0.04
(1) 0.01~0.03(1) 0.02~0.04(1) 0.02~0.04
Alloy steel(2) 0.01~0.03(2) 0.02~0.04(2) 0.02~0.04Coolant
(1) 0.01~0.03(1) 0.01~0.03(1) 0.01~0.03
Stainless steel(2) 0.01~0.03(2) 0.01~0.03(2) 0.01~0.03

VNFG

MEGACOAT PVD Carbide

Coated Carbide VNFG0810 VNFG0820 VNFG0830