EXFEIN Diamond Drill Bits 6mm- 10pcs Tile Drill Bits & Carbide Drill Bits for Drilling for Ceramic Tile Marble Porcelain

• 【Package】Include 5pcs 6mm Dry Diamond Drill Bits and 5pcs 6mm Carbide Drill Bits.
• 【Size】Total length 65mm, diamond height 10mm, working depth 30mm, shank length 20mm, generally hand drill in 2000-5000RPM, the faster the better, the slower then the shorter life span.
• 【Machine】Compatible with most popular electric drills, angle grinders and bench drills, do not use impact or hammer mode.
• 【Widely Use】 Dry Diamond Core Bit set is able to drill all types of tiles, porcelain, granite, ceramic, glass, marble, stone, masonry brick.
• 【Good Performance】Triangle shank design for stable clamping, smooth and easy drilling, fast and smooth cutting, be more efficient and durable.

Package Include 5pcs 6mm(1/4") Dry Diamond Drill Bits and 5pcs 6mm(1/4") Carbide Drill Bits. Size Total length 65mm, diamond height 10mm, working depth 30mm, shank length 20mm, generally hand drill in 2000-5000RPM, the faster the better, the slower then the shorter life span. Machine Compatible with most popular electric drills, angle grinders and bench drills, do not use impact or hammer mode.