Kongo Seisakusho Co., Ltd.
Precision machining of cemented carbide, and manufacture of jigs and tools.
Company profile
- Company name
- Kongo Seisakusho Co., Ltd. (株式会社金剛製作所)
- Address
- 17 Kawada-cho, Atsuta-ku, Nagoya, Aichi 456-0065, Japan
- Representative
- President and Representative Director: 坪井 隆幸
- Established
- January 1991 (founded in Nagoya in 1955 as 金剛バイト工具製作所)
- Capital
- 10 million yen
- Phone / Fax
- +81-52-682-6322 / +81-52-682-6341
- toobo@yk.commufa.jp
Business
- Surface grinding, profile grinding, milling, universal grinding
- High-frequency brazing and contour cutting
- Jigs and tools, wear-resistant tools, throw-away tip forming, centerless blades
- Mirror finishing, lapping, honing and sandblasting
Some processes, such as EDM, wire cutting and jig grinding, are outsourced to partner factories.
Materials
Milling: general steel, special steel, stainless steel, brass and aluminum.
Grinding: cemented carbide, difficult-to-cut materials and ceramics. Grinding to the micron.
Brazing: high-speed steel and cemented carbide, on bases such as S50C and SUS303.
Main customers
NTN株式会社、アマダマシンツール、アマダカッティング、株式会社大成、中央工機株式会社、井澤金属株式会社、株式会社エフエスケー