Propeller Pump,Submersible Pump,Flood Control Pump Vacuum Pumps,Circulating Water Pump Co., Ltd. , http://www.nspumps.com
Grade: 4.6, 5.6, 8.8, 10.9, 12.9
Application: Rail fastening, tunnel, bridges and switches
We also manufacture according to drawings or samples from customers.
Additonally, we supply all kinds of railway materials like e clips, insulators, plastic or HDPE dowels, shoulders, joint bars, gauge studs, and other fastening products for raway.
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.
Size: Diameter from M16 to M56, without length limited
Grade: 4.6, 5.6, 8.8, 10.9, 12.9
Application: Rail fastening, tunnel, bridges and switches
We also manufacture according to drawings or samples from customers.
Additonally, we supply all kinds of railway materials like e clips, insulators, plastic or HDPE dowels, shoulders, joint bars, gauge studs, and other fastening products for raway.
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.
Model NO.: ZBRF
Model NO.: ZBRF
Size: Diameter from M16 to M56, without length limited