13301763863
中文
naishi industry

耐 施 实 业

  • 20Year

    Registered trademark "ns Naishi"

  • 200+

    Active employees

  • 50Certifications

    Multiple product certifications

  • 17000

    Plant area

Naishi Industrial Co., Ltd. was established in September 2000. It is the only enterprise drafting unit of the national standard for 30° wedge-shaped anti-loosening thread. The company is headquartered in Shanghai, and has a supporting automatic production base in Changxing, Zhejiang, on the beautiful coast of Taihu Lake. The company We have been committed to increasing the production capacity of the 30° wedge-shaped anti-loosening thread industry chain. Industry 4.0 is our development goal. The company is a private wholly-owned enterprise integrating R&D, production, supply, sales, and joint production and payment, specializing in the production of anti-loose fastening mechanisms.

PRODUCTS CENTER+ 产品系列+
Nut

Nut

"NS" series internal thread products, because of their special 30° wedge thread geometry, can be used with any standard external thread products to achieve reliable self-locking and anti-loosening performance.
Tap

Tap

NS tap products are made with imported high-quality high-speed steel, international top equipment, advanced heat treatment technology and surface treatment technology.
Gauges

Gauges

The NS thread gauge is a special three-piece set of gauges, and the natural rotation of the thread is tested by the inspection process of one pass and two stops.
Torque wrench

Torque wrench

SBL torque wrench series has high measurement accuracy, intuitive and accurate numerical value, stable performance and convenient operation. It is a special tool for NS lock nuts.
Technology research and development
As an agent of sblk products in the United States, the company began to research, develop and introduce the American military standard mil-n-85353-1:1981 in 2000
Qualification certification
Our company shoulders the historical task of popularizing and applying the 30 ° wedge thread technology, and the technical development in the field of automatic electromechanical equipment of the whole plant in the industry
Service support
Based on the faith of good faith and win-win cooperation, the company has made great efforts to ensure the locking of threaded sleeve and achieved the torque + locking effect so far;
Application area
NS Naishi's products are widely used in railway official business, locomotive and rolling stock, high-speed railway, urban rail, electrified railway, and various automobile engines and hubs; Fastening of turbocharger, exhaust manifold and other components on diesel engine
NEWS CENTER 新闻资讯
2021

[Yahoo Technology] Localization of fully threaded locking lock nuts

[Yahoo Technology] Localization of fully threaded locking lock nuts
2021

[Sohu] my country's NS internal thread technology has basically achieved localization

[Sohu] my country's NS internal thread technology has basically achieved localization
2021

[Guangming Daily] NS internal thread technology and tools and measuring tools are leading in China

[Guangming Daily] NS internal thread technology and tools and measuring tools are leading in China
2021

[People's Railway] Dedication to the snow-covered plateau to build the foundation for the railway to greatly increase the speed

[People's Railway] Dedication to the snow-covered plateau to build the foundation for the railway to greatly increase the speed
2021

The leakage of nuclear sewage from the Fukushima nuclear power plant in Japan may be caused by loose bolts

Regarding the leakage of about 300 tons of highly radioactive nuclear sewage from the Fukushima Daiichi Nuclear Power Plant, Tokyo Electric Power Company recently conducted a dismantling investigation of the leaking above-ground storage tanks. The results of the investigation released on the 20th showed that five bolts were found to be loose at the joint of the tank floor. Tepco said "this is likely to be the cause of the leak" and will conduct a detailed investigation in the future.
2021

The current bottleneck of small and medium-sized fasteners - technology improvement

Looking back on the development history of the fastener industry in the past, it is not difficult to find that when the market is booming, product saturation will inevitably occur.
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