DIN Lock Washer/ Double Coil Spring Washer

• Customization: Available
• Certification: Arema, BS, ASTM, Uic, Tb
• Size: Uis6
• Model NO.: double coil spring washer
• Size1: M16 to M48
• Materials: Q235
• Standard Refers to: En10025, En10139
• Surface Finishing: Zinc Plate, Hot DIP Galvanized
• Seaport: Shanghai
• Delivery Time: Within 30 Days
• Payment: Tt/ L/C
• Transport Package: Gunny Bag and Wooden Case
• Specification: SGS, CRCC
• Trademark: CW
• Origin: China
• Production Capacity: 200000PCS/Month

Product Description

We supply spring washer and plain washer both imports and exports.
Zhongbo Railway Fastening Company is a leading Chinese manufacturer of rail fastening and rail joint bar.


Zhongbo, as a specialized rail fastener manufacturer, provides a complete line of products, including rail fastening, anchor, rail joint, rail clip, rail screw, anchor bolt, rail clamp plate, rail fishplate, and fishplate bolt for connecting rail tracks.

We also make rail fastenings for crane rail and elevator guide rail, along with other related products. We manufacture according to GB/TB (Chinese national standards and railway standards), AREA, UIC, BS, DIN, ASTM, and AS standards.

Our products are mainly made through hot forging.

The threads of rail screw spikes are made by hot rolling with special threading machines.

We produce metric threads, BS, BSW, TR thread, or round threads.