Page 306 - Tungaloy Catalog

Designation System for TAC Internal Toolholders

Symbol Style Offset S With
G 91° With 45° C

A Without 91° V 72.5° Without 7°
90° J U 93°
93° With With
B
B Without K 75° With X 100° With
75° * 5° 5
Without L 95° With With
C 90° 95° Y 80°

D Without N Without Z Without N
45° 63° 93° 0°
E Without P Without Note
60° * 62.5° *mark: Tungaloy standard TAC Internal Toolholders
No mark: ISO standard
P
With * 45° With 11°
F 91° Q
6 Cutting edge style 7 Relief angle of insert

6 7 R 11 0 2 C 11
U P - D140

8 9 10

8 Hand of tool 9 Insert size R+ (S) 10 Oil hole 11 Min. bore diameter (mm)
For M, S, & C types Only “Tsuppari- Stream Jet Bar Tsuppari-Ichiban
conformed to ISO
R Ichiban” holder D140 ø14.0 D14 ø14.0
S T C R

R R R R
“In ISO metric system, a two digit number
indicates the edge length (R) of the insert
L to be used in mm.
If the insert thickness is different for the
same edge length, add the thickness
symbol (s) (two digit number).
In above example, TP}oo1102oo
R s

5–5