Precision Engineered Design: Our core drill bit is designed with universal 5/8"-11 thread, making it easy to quickly assemble onto standard core drilling equipment or handheld drill machines, providing versatility and convenience.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.