Internal grooving GDM type

GDM

Carbon steel / Alloy steelPQPNP
Stainless steelPPQM
Cast ironQK
Non-ferrous metalsQN
Titanium alloyQS
Tolerance Dimension (mm)CarbideCermet
PVD--Applicable

Insert Description

CW CW toolholder

CW S RE INSL

min. max.

GDM 2013N-020GMI 2 4.3 0.2 13.5 - 0.03 + 0.03 N N N N KGDI&…-2

2° RE

GDM 3015N-040GMI 3 4.6 0.4 15.5 - 0.03 + 0.03 N N N N KGDI&…-3

2° INSL 2

GDM 4020N-040GMI44.30.420- 0.03 + 0.03NNNNKGDI&…-4
General purpose GDM 5020N-040GMI0.4NNNNKGDI&…-4
54.320- 0.04 + 0.04
5020N-080GMI0.8NNNNKGDI&…-5
G GDM 3015N-150R-CM34.61.516.3 - 0.03 + 0.03
RENNNNKGDI&…-3
INSL GDM 4020N-200R-CM2 44.3220- 0.03 + 0.03&
NNNNKGDI…-4

KGDI&…-4

Full R / Copying GDM 5020N-250R-CM 5 4.3 2.5 21 - 0.04 + 0.04 N N N N &

KGDI …-5

RE GDG 4020N-040GS 4 KGDI&…-4

N N N N N

INSL

RE 2 4.3 0.4 20 - 0.02 + 0.02

20° KGDI&…-4

5020N-040GS 5 N N N N N

KGDI&…-5 Low cutting force

KGDI (Internal grooving)

(ø 6) DCON DMIN

LH H LF

Right-hand shown

Toolholder dimensions

Spare parts Availabi- Dimension (mm) Clamp screw

lity Clamp screw Wrench (Torx) Wrench (hex.)

(Torx) Description DMIN

DMIN CW CW

R L CDX (GMI/ DMIN* DCON H LH LF WF

(CM) min. max.

GS)

KGDI& 1816B-2 N N 4.5 18 16 15 25 150 9.5

GS-50 - - LW-3

2520B-2NN6252018302218014.5Yes
3225B-2NN73225234020019-SB-5TRLTW-20-
KGDI&2016B-3NN5.5202116152515011.5
GS-50--LW-3
2520B-3NN625262018303318014.5Yes
3225B-3NN8323325234020019-SB-5TRLTW-20-
KGDI&3225B-4NN8.532403425234020019
45Yes-SB-5TRLTW-20-
4032B-4NN1140484232295022023.5
KGDI&3225B-5NN8.532373425234020019
55Yes-SB-5TRLTW-20-
4032B-5NN1140454232295022023.5

* By slightly chamfering the holder tip of about 0.5 mm, the cutting diameter can be minimized. More on this in G115