Beilai specializes in precision seamless steel tubes for geological core drilling and serves as a major domestic supplier of tubes for wireline core drilling tools.

Product Features:

1. Premium steel raw material: Billet 100% refined by high-quality domestic special steel mills with high purity. Main grades: 45MnMoB, 30CrMoA, 4130, 30CrMnSiA, etc.
2. Superior processing: Cold drawn production delivers excellent dimensional tolerance, concentricity and straightness. Compliant with GB/T 9808, ISO 10097, DCDMA, BS 4019 and Swedish METRIC standards.

Seamless Steel Tubes for Diamond Core Drilling