Make sure you are using a diamond drill bit or a carbide drill bit. Start drilling slowly without exerting too much pressure to prevent the glass from cracking. As the bit penetrates the glass ...

Preparing to start drilling on the first diamond drill hole at British King ... 1.02m @ 14.88g/t Au from 36.6 meters Core from the diamond drillholes have been submitted for metallurgical and ...

“Diamond blades or bits may jump out of ... For example, most manufacturers recommend using a drill stand when core drilling with core bits over 3 in. in diameter. “This helps the operator ...

16, 2025 (GLOBE NEWSWIRE) -- Central Iron Ore Limited (CIO – TSX.V) (“CIO” or “the Company”) is pleased to announce this Drilling ... HQ diamter diamond drillholes were completed across the British ...