MITSUBISHI tungusten carbide
High Quality and Reliable MITSUBISHI tungusten carbide official agent in Japan
-SIZE: all
-ORIGINAL: Japan
Please contact me . We can supply reasonable price for you.


We, TOSA INC., are machinery tool wholesaler and an agency of RYOCO, YAMAWA, MITSUBISHI, RIKEN, NIKKEN, SHOWA TOOL, BIG DAISHOWA, EIKO and YUKIWA. We can provide you reasonable prices and fast delivery. Also we’re available to produce special model for you. We’ve been exporting variety of items for over 20 years. We have a joint venture company in Thailand and we usually ship once a week. From these experience, we’re available to response you very quickly. If you have any questions, please feel free to ask me. I'll support you with technical advices!!

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*We deal in a variety of inserts besides MITSUBISHI tungusten carbide
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Company introduce TOSA INC.
We are a trading company specializing in both cutting tools and manufacturing capabilities.
Taking advantage of our high technological and developmental faculties, we offer total capability to service the needs of our clients.
We work for a Machinery & Tools Company, through the manufacture of cutting tools, and through domestic and international sales, is dedicated to improving the productivity of all manufacturing in the field of machine work, and contributing to the betterment of manufacturing technology.
We are committed to giving back to society, to be entrusted by society, and together with our employees, we promise to work hard to further the growth and development of your company.
We will supporting your request items and good business.
Thank you .
Tosa Inc .


We have eight business offices in Japan,
and overseas offices in Thailand and Vietnam.

Our affiliate Ryoco Seiki carries the mini-jumbo end mill series,
the jumbo end mill series, cutters, drills, reamers, the Megaton Ryoco Effect series,
mini-cutters, insert chips, diamond tools, etc.

We carry products by manufacturers such as Mitsubishi Materials, Daikyo Kogu, Eikosha, Riken Seiko, Kenna Metal Japan, Yamawa Tap, TRUSCO, HAM, Guhring, Nikken, Daishowa, STK, Kohori Ironworks, NS Tool, MRT, and more.
New products from manufacturers at wholesale prices