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Grinding wheels for precision grinding of bearings, automotive parts, home appliance parts, and other precision machine parts. We manufacture vitrified bond grinding wheels, which are ideal for precision grinding, using our own unique manufacturing process.

New dress drive unit with compact, high-rigidity, high-output spindle a high-sensitivity AE sensor is built in to check the forming condition of the grinding wheel with high accuracy.

SUNPAX：Sintered Diamond SUNPAX：Polycrystalline Diamond (PCD)
A polycrystalline sintered body obtained by simultaneously forming microcrystals of synthetic diamond with various bonding agents at high temperature and high pressure. Mainly used as high-precision cutting and wear-resistant tools for nonferrous metals, non-metals, and composite materials.
SUNNITE: Cubic Boron Nitride Sintered SUNNITE: Polycrystallite Cubic Boron Nitride (PCBN)
A polycrystalline sintered body obtained by forming microcrystals of CBN at the same time as the binder at high temperature and high pressure. It is mainly suited for cutting difficult-to-cut materials such as hardened steel and heat-resistant steel.

Our original coating technologies utilizing the chemical vapor deposition method can be applied on tools with any complicated shape while retraining both high adhesiveness to base metal and excellent wear resistance. With choice of the right type and thickness of coating depending on the application, these tools are most suitable for processing carbon, ceramics, and FRP.

One-use type for ferrous materials (no regrinding)CBN tip replacement tip "SUNNITE TWIN" for ferrous materials. It is highly economical, and the two-cornerCBN cutting tool cost can be reduced because of the two-corner CBN cutting edge.

With our processing know-how and a wide selection of diamond/CBN blanks, we offer standard and custom-made products and also special specification (chip breakers, wipers, etc.) designs to improve productivity in processing various materials (aluminum, nonferrous metals, hardened steel, cast iron, sintered metals, etc.

To meet the market demand for higher productivity, we developed helical type drills with a diamond compact to achieve rapid feeding and reduces thrust. Also available are special types that solve exit burr and chip obstruction problems.
They also enable process integration by adopting one-pass finish and multistep edges.

To meet the market demand for higher productivity, we developed helical type drills with a diamond compact to achieve rapid feeding and reduces thrust. Also available are special types that solve exit burr and chip obstruction problems. They also enable process integration by adopting one-pass finish and multistep edges.

[Endmill]
Purposely designed edges to cater for your needs to improve the efficiency of various types of processing such as milling, grooving, spot facing, and curve facing. Also available are spiral types for high-speed cutting, high-precision ball shapes, and taps. Applications include high-precision and high-efficiency processing of metal molds, compressors, FRP, acrylic, etc.
[Routers & Tipped Saw]
They allow you to cut costs because they produce a long lasting surface finish in cutting, grooving, and boring of wood, building materials, printed-circuit boards, artificial marble, plastics, etc. and have a long life, Also, we meet a wide range of demands such as whole form processing by combining them.

By integrating the tooling holder and reamer into a single unit, tool length can be shortened and rigidity can be increased to meet high precision requirements. Also, we can be manufactured in accordance with various holder standards.

With stable quality based on control of outer diameter dimension and runout accuracy, which are the key elements of reamers, we can design for high precision requirements such as machined surface roughness, roundness, and coaxiality, as well as high-speed feed. We have a large lineup of products, from standard specifications to value-added specifications, to meet our customers' needs.

"SUNBRIGHT" is a monocrystalline diamond cutting tool for ultra-precision cutting.
The sharp cutting edges and nano-order level contouring accuracy have been established through high-precision machining technology.
It can be used for various lens products, lens molds, and mirror finishing of non-ferrous metal products.