Page 571 - Tungaloy Catalog

J-type / External Turning
JSTGR/L, JS-TGL3 Screw-on system
Without offset

Applicable inserts
JTG-type inserts (With sharp edges)
Dimensions (mm) Grades
Cat. No. Max. Coated Cermet Uncoated
ød T W +0.05 G groove rε J740 NS9530 TH10
0
depth R L R L R L
JTGR/L3033F 0.33 0.8 0.7  
JTGR/L3043F 0.43 1.2 1.1 
JTGR/L3050F 0.5   
JTGR/L3065F 0.65 
W 0.03
r ε JTGR/L3075F 0.75      
JTGR/L3080F 0.8 2 1.9 
2° G JTGR/L3085F 0.85 
JTGR/L3095F 0.95   
JTGR/L3100F 1    
JTGR/L3110F 1.1 
JTGR/L3120F 9.525 3.18 1.2 
JTGR/L3125F 1.25     
ød T JTGR/L3130F 1.3 2.2 2.1 
JTGR/L3140F 1.4 
JTGR/L3145F 1.45 
Right hand (R) shown.  
JTGR/L3150F 1.5 0.05     
JTGR/L3175F 1.75    
JTGR/L3180F 1.8 
JTGR/L3200F 2     
JTGR/L3225F 2.25 
JTGR/L3250F 2.5 2.7 2.6   
JTGR/L3275F 2.75 
JTGR/L3300F 3 
Standard cutting conditions for J series grooving tools 8
Grade Work materials Cutting speed: vc (SFM) Feed: f (in/rev)
General steels
J740 Stainless steels 30 - 330 .001 - .004
Free-cutting steels
NS530 General steels 160 - 500 .001 - .004

TH10 Aluminum alloys, copper alloys, etc. 300 - 650 .001 - .004
Difficult-to-cut materials, titanium alloys, etc. 30 - 100 .001 - .004 J series · Grooving / Parting off
J-type / External Turning
JCGSSR/L Screw-on system
Without offset

Parting off
f b

Max. parting off dia øD
L1
L2

h1 h
Right hand (R) shown.
Groove Stock Applicable Max. Dimensions (mm) Clamping screw Wrench
width Cat. No. parting-off
dia
(mm) R L inserts øD (mm) b h h1 L1 f L2
JCGSSR/L1010-20   20 10 10 10 10.2 15
2 JCGSSR/L1212-20   GE20 25 12 12 12 125 12.2 19 CSTB-3 T-9F
GE20-AL
JCGSSR/L1616-20   32 16 16 16 16.2 22.5

 : Stocked items.
Most unmarked items are available on a RFQ basis, contact your sales rep for more information.
Relating Cutting conditions Relating Parts Parts
pages (8-32) pages (14-1~) 8–45
(14-1~)