De signation syste m for To olholde r s

80° Rhombic C 55° Rhombic D 55° Parallelogram K A Round R Square S

PCTriangular
T
35° Rhombic
V
MS25° Rhombic
Y
( Non ISO )
Trigon
W

4 Clamping system 5 Insert shape

A12M-4S5T
123

1 Bar composition 2 Bar diameter 3 Toolholder length (mm)

Steel shankBar diameter isF80
Awith oil holeshown in mm.90
G
Carbide shank with steelH100
Ehead & oil hole
J110
Carbide shankK125

C with steel head L 130 M 150 S Steel shank

P 170 Steel shank reinforced 180 Q T with carbide plates

(“Tsuppari-Ichiban”) R 200

S 250 JS J series Steel shank T 300 U 350