Page 297 - Tungaloy Catalog

J-type / External Turning
JSXBR/L Screw-on system
Without offset
Back turning with large depth of cut
JSXBR/L-type toolholders are also used
for JXT-type threading inserts.
ar
f b
L1
L2
ap < 5.5 mm 40°
h1 h C-type
Can be wrenched from back side
with double socket torx screw. Right hand (R) shown.
B41
Stock Dimensions (mm) Clamping screw Wrench
Cat. No. Applicable inserts
R L h b L1 L2 ar h1 f
4
JSXBR/L1010K8-C d d 10 10 10 5.7
6.7
JSXBR/L1212K8-C d d 12 12 12 7.7

JSXBR/L1616K8 d d 16 16 125 29 16 11.7 JXBR/L8 CSTB-4SD T-8F (T-8L)

JSXBR/L2020K8 d d 20 20 6.4 20 15.7 TAC External Toolholders

JSXBR/L2525K8 d d 25 25 25 20.7

Applicable inserts JXB-type inserts (with sharp edges)
Dimensions (mm) Stock
ød T Coated Cermet Uncoated
r ε Cat. No. Max.
15˚ ød T rε depth J740 NS530 TH10
of cut R L R L R L
60˚
JXBR/L8000F 0.03 d d 
JXBR/L8005F 0.05 d d d
8 3.97 5.5
40˚ JXBR/L8010F 0.1 d d  d d
Right hand (R) shown.
JXBR/L8015F 0.15 d d d d
JXB-type inserts (with honed edges)
Dimensions (mm) Stock
Max. Coated Cermet Uncoated
Cat. No.
ød T rε depth J740 NS530 TH10
of cut R L R L R L
JXBR/L8005 0.05 d d
JXBR/L8010 8 3.97 0.1 5.5 d d

JXBR/L8015 0.15 d d

d : Stocked items
: Stocked in Japan
 : Discontinued
 : Stocked items.
Most unmarked items are available on a RFQ basis, contact your sales rep for more information.
Relating Cutting conditions 4–71
pages (8-3)