Country：China>Jiangsu>Suzhou
Room No.2302,23/F, Block B,the World Trade Center, No 45, Haiyu North Road
Company：Suzhou HuiBo Railway Fastener Co.,Ltd
Mobile：051252591998
Tell：0512-52591998
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.
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