China Wholesale Din 557 Square Nut Factory – Nylon lock nut – Zhanyu

Nylock nut is a part that screwed together with a bolt or screw for fastening. All production machinery must use an original part. The Nylock nut is a part that tightly connects mechanical equipment.

The common specifications are M6-M36, the grades are 4.0, 6.0, 8.0 with the standard of GB DIN ASTM ANSI,and there are coarse thread and fine thread.  Surface treatment includes: galvanized, yellow zinc, black and hot dip galvanized, OEM package is supplied as clients’ demand. Handan Yongnian District Zhanyu Fastener Manufacturing Co., Ltd. is located in Tiexi Industrial Zone, Yongnian District, Hebei Province, covering an area of more than 7000 square meters, registered capital of 5million yuan and more than 120 employees. Our company adopts Taiwan advanced machine, many institutions certification, various honorary certificates. We have many years of experience in fastener production, sales and export, relying on professional technical knowledge and good faith management, we are committed to providing high-quality products and services to our customers.