Diamond Coated Drill Bit Brass Unitary Glass Hole Drilling Bits For Power Tools (4mm-100mm)
Ultra-durable diamond-coated tip ensures precision drilling with minimal wear, ideal for hard materials like glass, ceramic, and tile. Brass unitary construction provides superior heat dissipation, reducing friction and extending bit lifespan. Engineered for smooth, crack-free holes in delicate surfaces—perfect for DIY projects, plumbing installations, and custom glasswork. Available in versatile sizes (4mm-100mm) to match professional and hobbyist needs. Exclusive bulk pricing for wholesalers—high-performance quality at unbeatable global rates. Stock up for workshops, construction sites, or retail resale.