
Highly productive and cost-effective shoulder milling cutter
Economical shoulder mill with an innovative 6-edged geometry for maximum performance in various applications
Applications & Features
Applications
Features
1. Innovative insert design for improved productivity
Inserts are available in 2 sizes for maximum density and cutting depths over conventional double-sided 6-edged inserts.

2. High machining flexibility
The cutting edge is configured with a large curve with an optimal inclination.

Inserts & Grades
Inserts
Main Grades
AH3135
 
 
P30 – P40 / M30 – M40
- High fracture resistance
- Suitable for machining steel and stainless steel under general cutting conditions
AH120
 
  
  
 
P15 – P25 / M15 – M25 / K15 – K30 / S10 – S25
- Good balance between wear and fracture resistance
- Suitable for machining steel, stainless steel, and cast iron under general cutting conditions
AH3225
 
 
- Good balance between wear and fracture resistance
- Suitable for steel and stainless steel
Cutter bodies
Practical examples
Example #1
Automotive Industry
| Part: | Crankshaft | 
| Material: | S55C / C55 | 
| Cutter: | TPTN12M160B40.0R10N (ø160, z = 10) | 
| Insert: | TNMU120708PER-MJ | 
| Grade: | AH3135 | 
| Cutting conditions: | Vc = 135 (m/min) fz = 0.157 (mm/t) Vf = 420 (mm/min) ap = 3 (mm) ae = 125 (mm) Application: Shoulder milling Coolant: Air blow Machine: Horizontal boring M/C, BT50 | 

Example #2
General Engineering
| Part: | Machine part | 
| Material: | SUS304 / X5CrNi18-9 | 
| Cutter: | EPTN07M025C25.0R04 (ø25, z = 4) | 
| Insert: | TNMU070308PER-MJ | 
| Grade: | AH3135 | 
| Cutting conditions: | Vc = 196 m/min fz = 0.13 mm/t Vf = 1298 mm/min ap = 2 mm ae = 25 mm Application: Grooving Coolant: Air Machine: Horizontal M/C, BT40 | 

Example #3
Automotive Industry
| Part: | Bearing housing | 
| Material: | FC250 / GG25 / 250 | 
| Cutter: | EPTN07M032C32.0R05 (ø32, z = 5) | 
| Insert: | TNMU070308PER-MJ | 
| Grade: | AH3135 | 
| Cutting conditions: | Vc = 320 m/min fz = 0.06 mm/t Vf = 960 mm/min ap = 2 mm ae = 24 mm Application: Grooving Coolant: Air Machine: Horizontal M/C, BT40 | 

Standard cutting conditions
Size 07 inserts
| ISO | Workpiece material | Hardness | Priority | Grade | Cutting speed Vc (m/min) | Feed per tooth fz (mm/t) | 
|  | Carbon steel SS400, S15C, etc. E275A, C15E4, etc. | – 200 HB | First choice | AH3225 | 100 – 250 | 0.07 – 0.2 | 
| – 200 HB | For fracture resistance | AH3135 | 100 – 250 | 0.07 – 0.2 | ||
| High Carbon steel, Alloy steel S45C, SCM440, etc. C45, 42CrMo4, etc. | – 300 HB | First choice | AH3225 | 100 – 230 | 0.07 – 0.15 | |
| – 300 HB | For fracture resistance | AH3135 | 100 – 230 | 0.07 – 0.15 | ||
| Prehardened steel NAK80, PX5, etc. | 30 – 40 HRC | First choice | AH3225 | 100 – 180 | 0.07 – 0.15 | |
| 30 – 40 HRC | For fracture resistance | AH3135 | 100 – 180 | 0.07 – 0.15 | ||
|  | Stainless steel SUS304, etc. X5CrNi18-9, etc. | – | First choice | AH3135 | 90 – 200 | 0.07 – 0.15 | 
| – | For wear resistance | AH3225 | 90 – 200 | 0.07 – 0.15 | ||
|  | Grey cast iron FC250, etc. GG25, etc., 250, etc. | 150 – 250 HB | First choice | AH120 | 140 – 250 | 0.07 – 0.2 | 
| 150 – 250 HB | For fracture resistance | AH3225 | 140 – 250 | 0.07 – 0.2 | ||
| Ductile cast iron FCD450, etc. GGG45, etc., 450-10S, etc. | 150 – 250 HB | First choice | AH120 | 110 – 200 | 0.07 – 0.15 | |
| 150 – 250 HB | For fracture resistance | AH3225 | 110 – 200 | 0.07 – 0.15 | ||
|  | Titanium alloys Ti-6Al-4V, etc. | – | First choice | AH3135 | 20 – 60 | 0.07 – 0.15 | 
| Heat-resistant alloys Inconel 718, etc. | – | First choice | AH120 | 20 – 40 | 0.07 – 0.1 | 
Size 12 inserts
| ISO | Workpiece material | Hardness | Priority | Grade | Chipbreaker | Cutting speed Vc (m/min) | Feed per tooth fz (mm/t) | 
|  | Carbon steel SS400, S15C, etc. E275A, C15E4, etc. | – 200 HB | First choice | AH3225 | MJ | 100 – 250 | 0.08 – 0.3 | 
| – 200 HB | For fracture resistance | AH3135 | MJ | 100 – 250 | 0.08 – 0.3 | ||
| – 200 HB | For wear resistance | T3225 | MJ | 100 – 300 | 0.08 – 0.3 | ||
| – 200 HB | Low cutting force | AH3225 | NMJ | 100 – 250 | 0.08 – 0.14 | ||
| High Carbon steel, Alloy steel S45C, SCM440, etc. C45, 42CrMo4, etc. | – 300 HB | First choice | AH3225 | MJ | 100 – 230 | 0.08 – 0.3 | |
| – 300 HB | For fracture resistance | AH3135 | MJ | 100 – 230 | 0.08 – 0.3 | ||
| – 300 HB | For wear resistance | T3225 | MJ | 100 – 280 | 0.08 – 0.3 | ||
| – 300 HB | Low cutting force | AH3225 | NMJ | 100 – 230 | 0.08 – 0.14 | ||
| Prehardened steel NAK80, PX5, etc. | 30 – 40 HRC | First choice | AH3225 | MJ | 100 – 180 | 0.08 – 0.25 | |
| 30 – 40 HRC | For fracture resistance | AH3135 | MJ | 100 – 180 | 0.08 – 0.25 | ||
| 30 – 40 HRC | For wear resistance | T3225 | MJ | 100 – 200 | 0.08 – 0.25 | ||
| 30 – 40 HRC | Low cutting force | AH3225 | NMJ | 100 – 180 | 0.08 – 0.14 | ||
|  | Stainless steel SUS304, etc. X5CrNi18-9, etc. | – | First choice | AH3135 | MJ | 90 – 200 | 0.08 – 0.25 | 
| – | For wear resistance | T3225 | MJ | 90 – 250 | 0.08 – 0.25 | ||
| – | Low cutting force | AH3135 | NMJ | 90 – 200 | 0.08 – 0.14 | ||
|  | Grey cast iron FC250, etc. GG25, etc., 250, etc. | 150 – 250 HB | First choice | AH120 | MJ | 140 – 250 | 0.08 – 0.3 | 
| 150 – 250 HB | For fracture resistance | AH3225 | MJ | 140 – 250 | 0.08 – 0.3 | ||
| 150 – 250 HB | For wear resistance | T1215 | MJ | 140 – 300 | 0.08 – 0.3 | ||
| 150 – 250 HB | Low cutting force | AH120 | NMJ | 140 – 250 | 0.08 – 0.14 | ||
| Ductile cast iron FCD450, etc. GGG45, etc., 450-10S, etc. | 150 – 250 HB | First choice | AH120 | MJ | 110 – 200 | 0.08 – 0.25 | |
| 150 – 250 HB | For fracture resistance | AH3225 | MJ | 110 – 200 | 0.08 – 0.25 | ||
| 150 – 250 HB | For wear resistance | T1215 | MJ | 110 – 250 | 0.08 – 0.25 | ||
| 150 – 250 HB | Low cutting force | AH120 | NMJ | 110 – 200 | 0.08 – 0.14 | ||
|  | Titanium alloys Ti-6Al-4V, etc. | – | First choice | AH3135 | MJ | 20 – 60 | 0.08 – 0.2 | 
| – | Low cutting force | AH3135 | NMJ | 20 – 60 | 0.08 – 0.14 | ||
| Heat-resistant alloys Inconel 718, etc. | – | First choice | AH120 | MJ | 20 – 40 | 0.07 – 0.18 | |
| – | Low cutting force | AH120 | NMJ | 20 – 40 | 0.07 – 0.14 | 
Note: For NMJ chipbreaker, use a feed rate that satisfi es the following theoretical chip thickness:
| Designation | Chip thickness (mm) | 
| TNMU120708PER-NMJ | < 0.2 | 
For more information about this product, visit our online e-catalog or download the product report:
 
 			 
 
			 
			








 
         
        



