ReamMeister – Diff Case – MTWMB


ReamMeister enabled precise and effective coolant delivery to the cutting points. In addition, wear- resistant MTWMB grade helped reduce development of wear and B.U.E., allowing long and stable tool life at increased cutting parameters, providing 15 times higher productivity and 7.5 times tool life increase.

Industry Automotive
Component Differential case
Material ISO code K - Cast ironK - Cast iron
Work material FCD600
Machine(spindle type) Horizontal Machining Center Middle(#40,HSK63)
Tool family Holemaking
Tool category Reaming
Product name ReamMeister
TSR No. 1738D
Differential case


Tungaloy Competitor
Body TRM-T9-R25-1.5 Head exchangeable
Head HRM-30.000-BL-T9 ø30 mm, z=8
Grade MTWMB (tailored) PVD, K20

Cutting conditions

Tungaloy Competitor
Tool diameter DC (mm) 30 30
Hole tolerance grade H8 H8
Pilot hole diameter (mm) 29.8 29.8
Surface quality required Ra (μm) Rz 6.3 Rz 6.3
Hole depth H (mm) 30 30
Cutting speed V/c (mm/min) 150 63
Feed f (mm/rev) 1.25 0.2
Coolant Internal supply Internal supply


Productivity15 times

Tool life7.5