Core Barrel vs Drilling Bucket: Which Is Better for Hard Rock?
A core barrel auger is the most effective tool for hard rock drilling in bore pile construction. It is designed to break and core high-strength rock formations (up to 280 MPa), while a drilling bucket is mainly used for soil and soft formations and performs poorly in hard rock conditions.
Daily Tungsten Carbide Powder Price Report | Apr.3,2026
Tungsten Carbide powder prices continue to climb, having already surpassed the threshold of 2,000 RMB (approximately 289.85 USD) per kilogram. The national tungsten mining quota for 2026 has been set at 115,000 tons, representing a further 8% reduction compared to 2025. This marks the third consecutive year of tightening quotas. Consequently, Tungsten Carbide powder prices […]