For over 70 years, Koyo High Precision has built a strong reputation for delivering customer-specific, high-precision machined metal parts, earning the trust of high-tech industries around the world.

Catalog Download

Mass Production Capacity

  • We handle small-volume orders starting from just one piece while also excelling in high-precision mass production of over a million pieces. Each order is treated with the utmost care and quality assurance it deserves.
  • Our manufacturing capabilities include 30 machining centers and over 200 CNC machines, supporting a production capacity of more than 1,000,000 pieces per month.

Expertise in Difficult-to-cut Materials

We specialize in machining difficult-to-cut materials, including:
Stainless steel, Brass. Aluminum, Tungsten (W), MAT21,
Molybdenum (Mo), Tantalum (Ta), Niobium (Nb), Hastelloy, Inconel,
Permalloy, Alloy 42, Kovar, Nickel, Silver, Copper, Platinum
… and many more

… and many more

High-Precision Machining Capabilities

We achieve tight tolerances, such as:

  • ±0.003mm (±0.00011″) on Tungsten
  • Manufacturing nozzles with outer diameter 0.2mm (0.0079″) and inner diameter 0.15mm (0.006″) in Platinum
  • Drilling φ0.2mm (0.0079″) through holes up to 40mm (1.57″) in Hastelloy

Watch the video of Koyo High Precision