Steel 70# Rectangular Section Single Coil Spring Washers, Din 127 Type 'B', Hardness 430 - 530HV

The spring washer is widely used in the load-bearing and non-force-bearing structures of general mechanical products. It is characterized by low cost, convenient installation, and suitable for the parts with frequent installation and disassembly

Usually use 65 MN spring steel or 70 # carbon steel, 3 Cr 13, but also can use stainless steel material SUS304 or SUS316, and phosphorus bronze material.

The main function is under the nut to prevent the nut from loosening.

Suzhou Tuoertai Precision Technology Co., Ltd. is a company specializing in precision hardware tools, mainly engaged in a variety of CNC cutting tools and CNC parts, as well as fasteners business.

At present, we are a special dealer of Dingtai High-tech, mainly engaged in milling tools, PCB tools, 3C tools and special tools. Dingtai high-tech is a listed company, integrating research and development, production and sales as one of the high-tech enterprise, is one of the world's largest PCB drilling needle suppliers, strong technology, advanced equipment, with micro drilling, milling cutting tools and precision tool product research and development test center.

According to the customer's samples or drawings, we can provide high quality and precision CNC parts. At the same time, we can provide various standard fastener business, such as washers, bolts, nuts.

We will do our best to provide quality products and services, and we are willing to grow together with you