S.T.M. designs and manufactures special cutting tools for drilling, some of them are:
wheel machining
braking system
hubs
engine blocks, cylinder heads
Crankshaft Piston
gear
wheels
axes
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engine
structure: in the mast bracket, wing box, wing rib
turbine housing
Pala turbine
Gas turbine disk
Steam turbine diaphragm
Steam turbine shaft
Tree generator
Impellers