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Curvedtunnel Bolts - China

price: contact company for price

Curvedtunnel Bolts

Products Photos Catalog Curvedtunnel Bolts Photos Catalog

Curvedtunnel Bolts

Curved bolts are used to permanently Fix tunnel segments together through a radius hole, They can

be used in both radial and circumferential joints.

COMPLETE RANGE AVAILABLE HuiBo Railway manufacture a complete range of curved tunnel bolts from M16 to M30 diameters.

Lengths and radius can be made to suit customers requirements.

We encourage enquiries and drawings for Customization of bolts and fittings.

STRENGTH GRADE Both mild steel 4.6 and high tensile 8.8 grades are available.

Other grades available upon application.

FINISHES Curved tunnel bolts can be supplied in galvanised and sherardised as standard finishes .

Other finishes available to suit customer requirement.


Company Contact:


  • Phone: 0512-52591998

  • Address: Room No.2302,23/F, Block B,the World Trade Center, No 45, Haiyu North Road, suzhou , jiangsu , China

  • Email: Email

Published date: July 8, 2020

  • Business Description: Suzhou HuiBo Railway Fastener Co., Ltd. is an expert of manufacturing track fasteners, located in Changshu, China, close to Shanghai.

    Our company ranks a leading position in this industry, awarded with SGS-ISO9001: 2008 quality system certificate and CRCC certification, which is the highest honor of Chinese Railways.

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