TopGroove

Insert Identifi cation System

NGD2M150RK

NGD 2M 150RK
TypeInsertAdditionalInsertSize GrooveHandCuttingChipbreakerDefi nition
of InsertStyleInformationSizeIdentifi cationSize**of InsertDepthDesignof
Inserts
N — D —M —L —Shown forK —Groove size
TopGrooveDeepMetric insertLeftgroove andStandardJ or L —
groovinggroove widthhandchamferchip controlPoly-Vee
inserts ininserts
R — 0,01mmE —I — Internal
P —
Rightincrements.Hone onlyface grooving

Positive C — hand Circlip groove C — insert width

is nominal Groove circlip size and chamfer Blank — Indicates inch Position pertains to groove width for F-, G-, and width insert U-style inserts, radii for R-style grooving inserts, and circlip size for groove and chamfer inserts. Dimension in 0,01mm. B — Blank Example: 3,25mm width groove or radius equals

(for special forms) insertW1“325” catalogue position number.
numbermmWidth Tolerance: ±0,025mm unless otherwise
F — Face groovingspecifi ed.
12,54
G — Grooving23,81
P — Back turning34,95
R — Full radius46,98
U — Undercutting59,65

(or relieving) 6 9,73 V — Poly-Vee **Omit position for TopGroove NB-style blanks.

TopGroove/TopThread Threading and TopGroove/TopThread

Grooving Insert Dimensions Holder Design

back clearance

S W1

insert sizemminchmmInch NOTE: Holders are designed to locate insert inclined to
12,54.1002,54.1003° to provide back clearance down open side.
25,56.2193,81.150
38,74.3444,95.195
WIDIA™ TopGroove and TopThread™ tooling
411,51.4536,48.255
technology combine to bring you the very best threading
517,48.6889,65.380and grooving system available in the world today.
611,51.4539,73.383
87,93.31211,13.438

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