Z-Lion 1-1/4 Inch Dry/Wet Diamond Core Drill Bits/Hole Saws for Granite Concrete

The Diamond core dill bits is designed for drilling granite and concrete.Diameter: 1-1/4 inch / 32mmHigh: 3.35 inch / 85mmThread: 5/8-11User manual:1.Start your hole diagonally, make a round trace and then hold drill straight,and drill your hole moving the drill in a slight circular motion.2.Recommend to use water to cool dow.3.Recomended speed 7700 RPMAOUT Z-LIONXiamen ZL Diamond Technology Co., Ltd. is a professional diamond tool manufacturer. Our main products include diamond cutting blades, grinding wheel, polishing pads, core drills, diamond wire saw, etc.We products are used for cutting, grinding polishing and drilling of stone, ceramics, glasses and concrete.Our products have sold to Europe, North and South American, South-East Asia, Middle East, etc. From its establishment,our company focuses on innovation of products.By far, we have 12 of invention patent,15 of utility model patent,17 of appearance patent,and 2 of PCT patents.The company will stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity". With our profound technical resources, strict ISO quality management system, and qualified workers, we will provide best service and create extra value for our customers. We cordially welcome customers at home and abroad to join us and cooperate with us, making better life and future together.

• The diamond hole saw is designed for drilling granite and concrete
• Good Quality: With T-segments, the segments are tightly bonded to the bit body and you don't need to worry about breaking the segments
• More Sharp: Only takes 12 seconds to drill through medium hard granite tiles of 20mm thickness
• Long Service Life: Can drill more than 80 holes, recommend to use water to cool down,will greatly extend the working life
• USER MANUAL: Often used in 20mm or 30mm thick stone drilling, recomended speed 7700 RPM