Negative C : Continuous cutting
L : Light interrupted cutting
CBN Inse r t N E G AT I V E T Y P E H : Heavy interrupted cutting
P Steel LE RE
M Stainless
CL H CL
Positive


K Cast iron


1
Non-ferrous


D1
N
S Superalloy


2
H Hard material C CL CL C CL CL H IC S
Sintered metal CL LH
Dimension (mm) Honing


Chipbreaker
Sharp edge
Standard


Wiper
corners
BXM20
BXM10


No. of
BXA20
Shape Designation


BX380
BX360
BX330


BX480
BX930
BX470
BX310
L LF LC H
LE RE IC S D1
2QP-CNGA 2QP-CNGA120404 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
2QP-CNGA120408 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
PCD / CBN


2QP-CNGA120412 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽
2QP-CNGA120416 䖃 2 3.3 1.6 12.7 4.76 5.16 䚽
2QP-CNGA120420 䖃 2 3.2 2.0 12.7 4.76 5.16 䚽
2QP-CNGA120424 䖃 2 3.1 2.4 12.7 4.76 5.16 䚽
T2QP-CNGA T2QP-CNGA120404 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
T2QP-CNGA120408 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽


2QP-CNGA**F 2QP-CNGA120404F 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
2QP-CNGA120408F 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽

C
2QP-CNGA**-L 2QP-CNGA120404-L 䖃 䖃 䖃 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
2QP-CNGA120408-L 䖃 䖃 䖃 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
D 2QP-CNGA120412-L 䖃 䖃 䖃 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽

G 2QP-CNGA**-LF 2QP-CNGA120404-LF 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
2QP-CNGA120408-LF 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
2QP-CNGA120412-LF 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽
R
2QP-CNGA**-LC 2QP-CNGA120404-LC 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
S 2QP-CNGA120408-LC 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
2QP-CNGA120412-LC 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽
T
2QP-CNGA**-H 2QP-CNGA120404-H 䖃 䖃 䖃 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
2QP-CNGA120408-H 䖃 䖃 䖃 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
V 2QP-CNGA120412-H 䖃 䖃 䖃 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽

W 2 2.3 0.4 12.7 4.76 5.16
2QP-CNGA**WL 2QP-CNGA120404WL 䖃 䖃 䖃 䚽
2QP-CNGA120408WL 䖃 䖃 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
2QP-CNGA120412WL 䖃 䖃 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽
Y
OTHERS 2QP-CNMA**W 2QP-CNMA120404W 䖃 2 2.3 0.4 12.7 4.76 5.16 䚽
2QP-CNMA120408W 䖃 2 2.2 0.8 12.7 4.76 5.16 䚽
2QP-CNMA120412W 䖃 2 2.4 1.2 12.7 4.76 5.16 䚽

*Please see the page B199 about the toolholders recommended for wiper
䖃㻌: Line up
inserts of the designation with W, WL, and WJ at the end.
Honing specification
BXM10 BX910
BX310 BXA20 BXM20 BX360 BX470 BX930 BXC90
BX330 BX380 BXC50
BX480
Standard S01325 S01325 S01325 S01325 T01315 S01325 T02020
Sharp edge - - - - F - -
-L S01315 S01315 S01315 - - - -
-LF - S00515 - - - - -
-LC - S00535 - - - - -
-H - S01835 S01835 S01335 - - -
Wiper S01315 S01315 S01315 - - - -
Honing width W

Rake face
S 0 1 3 2 5
Shape Honing width (W) (mm) Honing angle : α
Honing angle α
R-honing T … Chamfered honing
S … Chamfered + R-honing
E … R-honing alone
B170 www.tungaloy.com
Relief face F … Sharp edge