Premium Triangle Shank Diamond Drill Bits – Industrial-Grade Core Hole Saws for Precision Drilling
Ultra-sharp diamond grit coating ensures effortless drilling through porcelain, ceramic, glass, and hardened tiles with zero chipping. High-speed steel (HSS) core reinforced with laser-welded segments for extended durability under heavy-duty use. Triangle shank design provides superior grip in standard drill chucks, preventing slippage during high-torque applications. Precision-engineered 20mm and 6mm set caters to plumbing, electrical installations, and DIY crafts requiring clean, burr-free holes. Electroplated bonding technology enhances abrasion resistance, outperforming conventional carbide bits. Ideal for contractors, artisans, and renovation projects demanding professional-grade accuracy. Sold exclusively at wholesale pricing—bulk orders available for commercial buyers. Heat-treated alloy body withstands temperatures up to 600°C, ensuring consistent performance in continuous use. Universal compatibility with rotary drills and bench presses. Trusted by global suppliers for unmatched cost-efficiency and reliability.