Page 634 - Tungaloy Catalog

TAN type
TUNGAL O Y
Inserts
Octagonal insert A T A T

B rε MJ, ML (16 corner type) B W (Wiper, 8 corner type)
Stocked grades Dimensions (in)
Cat. No. Accuracy Honing
AH120 AH140 AH725 AH3135 A B T rε
ONMU0705ANPN-MJ M with   
ONHU0705ANPN-MJ H with   .681 .283 .244 .031
ONMU0705ANPN-ML M with  
ONHU0705ANTN-ML H with   
ONHU0705ANPR-W H with  .689 .252 .228 -
A T rε T
Square insert B
A
TUNGAL O Y
rε
MJ, ML (8 corner type) W (Wiper, 2 corner type)
B
Stocked grades Dimensions (in)
Cat. No. Accuracy Honing
AH120 AH140 AH725 AH3135 A B T rε
SNMU1706ANPR-MJ M with   
SNHU1706ANPR-MJ H with   .681 .173 .275 .031
SNMU1706ANTR-ML M with  
SNHU1706ANTR-ML H with 
SNHU1706ANFN-W H without  .681 .433 .256 .016 9
Standard cutting conditions
Recommended Cutting Speed Feed per tooth:
Work material Hardness Priority
HB Grades Chipbreaker Vc (SFM) fz (ipt)
Low carbon steels First choice AH725 MJ .330 - 800 TAC Mills
1018, A-36 etc. (C15E etc.) ~ 200 For impact AH140 .008 - .012 - .020
resistance AH3135 MJ 260 - 590

High carbon steels 200 ~ 300 First choice AH725 MJ 330 - 750 .008 - .012 - .016
1045, 1055 etc. (C45E, C55E etc.) For impact AH140 MJ
resistance AH3135 260 - 590
First choice AH725 MJ 330 - 750
Alloy steels / 4140, H-13 etc. 490 ~ 990 .008 - .012 - .016
(42CrMo4, 17Cr3 etc.) For impact AH140 MJ 260 - 500
resistance AH3135
Tool steels (D-2 H-13 etc.) ~ 300 First choice AH725 MJ 330 - 590 .008 - .012 - .016
Grey cast irons
(Class 25-40 / GG25, GG30 etc.) First choice AH120 ML
Ductile cast irons 150 ~ 250 For impact 450 - 800 .007 - .012 - .020
(65-45-12 / GGG40 etc.) resistance AH725 MJ
Attention for wiper inserts

TUNGAL O Y

1 2 1 2

Just one wiper insert is needed in a cutter Just one wiper insert is needed in a cutter
Feed rate: f < .217 in/rev Feed rate: f < .375 in/rev
 : Stocked items.
Most unmarked items are available on a RFQ basis, contact your sales rep for more information.
Relating Technical Reference 9–47
pages (14-1)