Introducing the SINOCOREDRILL Semi-Round Profile Diamond Bit, engineered for exceptional medium to hard rock core extraction. Available in BQ, NQ, HQ, and PQ models, this premium tool features customizable crown heights (9mm to 16mm) and connection options (male/female). Crafted from durable diamond material, it ensures high efficiency and longevity. Perfect for various applications, this core bit combines performance and versatility. Explore more on our website!