EXFEIN Diamond Tile Drill Bits - 10pcs Tile Drill Bits Kit & Carbide Drill Bits 1/4"/ 5/16"/ 3/8"(6/6/6/8/10MM) for Drilling Ceramic Porcelain Tile

EXFEIN Diamond Tile Drill Bits - 10pcs Tile Drill Bits Kit & Carbide Drill Bits 1/4"/ 5/16"/ 3/8"(6/6/6/8/10MM) for Drilling Ceramic Porcelain Tile

【Package】Pack of 10. Include 5pcs Dry Diamond Drill Bits: 3pcs 6mm(1/4"), 8mm(5/16"), 10mm(3/8") & 5pcs Carbide Drill Bits: 3pcs 6mm(1/4"), 8mm(5/16"), 10mm(3/8"). 【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.