小山 Official site

A long-selling product that connects four generations over a quarter of a century! The standard for screw fastening sites, "Screw Star σ" - a history of quality told through its achievements.

小山

Involved with screws for 70 years. Our company has continuously improved the "Screw Tightening Forgetting Prevention Counter - NejiStar," which we developed independently, by listening to the voices from the field. The fourth generation "NejiStar σ (Sigma)" will assist you in improving work efficiency with easier settings and greater accuracy. The anti-miscounting feature is top-class in the industry. Please feel free to contact Koyama.