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China Straight Tunnel Segment Bolts Producer

The tunnel bolt production line is composed of all-solid-state IGBT heating equipment to heat the workpiece and automatic special thread rolling machine, the maximum output is 15,000 Pcs/day.

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Application:
Segment connection
Concrete tube connection
Tunnel Reinforce fastening.
Metro Tunnel Segment Connection.
Sewage Water Tunnel segment

Tunnel Bolts also called curved bolts or segment bolts, are used to permanently fix tunnel segments together with the numerous metal beams and posts through a radius hole, which make up the tunnel’s frame. They can be applied to both radial and circumferential joints. Tunnel segment bolts are vital for maintaining the entire tunnel’s structural integrity.

 Size: M16-M80

Strength Grade:8.8,10.9 and 12.9.

Thread Pitch:5H,6H,7H

Materials: Stainless steel, alloy steel

Coating: Galvanized, Nickel-plated, Chrome-plated, Black oxide, Dacromet

Standard: GB, DIN, ISO, ANSI, JIS, BS, Non-standard

Customized: as per customers requirements/drawings

Package:woven bag + pallet + packing belt + stretch film.

Anyang Railway Equipment Co., Ltd(AT) is a professional China manufacturer of High Tensile Special Bolts Long Tunnel Curve Bolts, Curved Tunnel Bolts, Segment Bolt for Subway or Railway with washers and nuts by various grades, sizes, and load capacities, depending on their applications.

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