carbon steel high grade steel 42CrMoscraper bits TBM cutters roller cutter for tunnel boring machine

TBM Disc Rings

OD:137mm to 432mm

We also can make the products according to your drawings

They are suitable for Herrenknecht, Mitsubishi, Wirth, Komatsu, Robbins tunnel boring machines.

We also can produce according to customer’s drawings and samples

They are apply to the sand limestone, dolomite, kimestone, condensate, such as granite from

soft rock to hard rock, all rocks.

Advantage: top technicians, abundant production experience, superior equipment, advanced

mamufacturing engineering, scientific management system and high-quality after-sale services