Cutting tooth drill bit excavation tooth U47 coal cutting tooth U170 rotary cutting tooth 55 60 roll

Características do produto：

High hardness, corrosion resistance, long service life, impact resistance

Pontos de venda de produtos：

① Exquisite workmanship, reliable quality, high-quality materials selected, good surface gloss and concentricity.

② Corrosion and impact resistance.

③ Easy installation, standard manufacturing process, standardized dimensions, and small errors.