DoPent – EGR Bulb – AH120


Long tool life
- Required surface roughness of the workpiece was Rz12.5. DoPent machined the doubled number of workpieces compared to the competitor and achieved the required surface roughness due to AH120 grade and chipbreaker with C-Class accuracy. Smooth machining
- DoPent machined the workpiece smoothly even on a low-powered machine.

Industry Automotive
Component EGR Bulb
Material ISO code K - Cast ironK - Cast iron
Work material DIN GG25
Machine(spindle type) Vertical Machining Center
Tool family Milling
Tool category Face milling
Product name DoPent
TSR No. 413M
EGR Bulb


Tungaloy Competitor
Body TEN09R125M38.1-06 Face mill cutter
Effective number of teeth 10 8
Cutting diameter 125 125
Insert PNCU0905GNER-MJ Square type negative insert
Number of cutting edges 10 8
Grade AH120 CVD K20

Cutting conditions

Tungaloy Competitor
Cutting speed V/c (mm/min) 393 393
Feed per tooth f/z (mm/t) 0.15 0.15
Feed speed Vf (mm/min) 901 901
Depth of cut ap (mm) 0.9 0.9
Width of cut ae (mm) 75 75
Coolant External External


Tool life2 times