Technology + Creativity = Toshima Manufacturing
Creating Impressive Technology TOSHIMA MFG Co., Ltd.

Final Product
We produce this product's external form (smallest part is 8mm's frame) by only one blanking.
3 bolt halls on 5parts are also made by only one blanking. The true position is 0.3.
We have succeeded in adapting the technology for cold-forging mold with the technology for blanking mold.
As a result, we have undertaken mass production to overcome the limit of life of mold while producing.
The flatness is satisfactory because of the coining.
Laser machining
Blanking (only one process)
W:150 × L:420 × t9.0
Carbon steel bar (S45C)
Engine Parts