Inserts identification system

Insert hand R Right-hand L Left-hand

TKF12 R050 - -S-16D
Insert typeInsert sizeEdge widthName of chipbreakerLead angle (PSIRR)
SS-chipbreaker(Front cutting

edge angle) T T-chipbreaker (tough edge) NB Without chipbreaker

Table 1

Toolholder Right-hand Toolholder Left-hand Hand of lead angle

RRight-handInsertRight-handInsertLeft-hand
RLead angle Right-handLead angle Right-hand

PSIRR PSIRR

GDM

HH

Edge width Hand of tool Chipbreaker symbol

Tolerance symbol131.3 mm252.5 mmRRight-handPFCut-off (Low feed)PMCut-off (General purpose)
GGround insert151.5 mm303 mmLLeft-handPQCut-off (Medium feed)PHGrooving and cut-off (High feed rate)
GDM MM classS202 mm30404 mm 20NNeutralR 025-PGCut-off (Low cutting force)PM - 6D
SeriesNo. of edgeInsert lengthCorner-R (RE)Lead angle
Grooving / Cut-offNo indication2-edge1616 mm0030.03 mm0200.2 mmNo indication
GD SeriesS1-edge2020 mm0050.05 mm0250.25 mm6D
0100.1 mm0300.3 mm15D15°

015 0.15 mm