DIN Lock Washer/ Double Coil Spring Washer

Model NO.: double coil spring washer
Seaport: Shanghai
Delivery Time: Within 30 Days
Payment: Tt/ L/C
Trademark: CW
Transport Package: Gunny Bag and Wooden Case
Specification: SGS, CRCC
Origin: China
Model NO.: double coil spring washer
Seaport: Shanghai
Delivery Time: Within 30 Days
Payment: Tt/ L/C
Trademark: CW
Transport Package: Gunny Bag and Wooden Case
Specification: SGS, CRCC
Origin: China
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. 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.

For ROBEX Cylinder Seal Kit

The modern hydraulic cylinder Seal Repair kit is a kit used to repair hydraulic cylinder seals, which includes various sealing rings, O-rings, U-rings, oil seals, and other components required for hydraulic cylinder seals.
Hydraulic cylinder seals are a very important component in hydraulic systems, and their sealing performance directly affects the efficiency and lifespan of the hydraulic system.
When there is leakage or damage to the hydraulic cylinder seal, it is necessary to replace the seal in a timely manner.
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