About NIHONKAI WK

We are pursuing products with high precision and durability to meet the needs of our customers with our experience and technology accumulated over half a century. We aim to develop valuable products to meet the needs of the diversifying international market with our state-of-the-art facilities. We have a broad lineup of products for steel, various types of wood processing, aluminum and other nonferrous metals, tiles, marble, concrete, and more. We design products to meet various applications, cutting conditions, and processing methods.

1973

Nihonkai brand is born.

The main product at that time was wheels for wood

2007

In the 21st century, the brand changed to Nihonkai wk (Nihonkai)

Expanded product range to include diamond cutters, diamond core bits, and cutoff wheels

present

Currently, we continue to use Japanese technology. We professionally research and produce new products.

We will introduce this brand to the world in search of good quality to satisfy our customers