9Pcs Diamond Core Drill Bits Set 5/8"-11 Thread, Porcelain Ceramic Tile Marble Brick Vacuum Brazed Hole Saw Kit (20/35/50/75/100mm Bits+50mm Beveling Chamfer Bit+SDS Shank+Hex Shank)

Heavy duty Vacuum Brazed Core DrillsOur diamond core drill bits come with a 2-year free replacement guarantee and 24/7 customer service. If you have any issues, please don't hesitate to contact us, and we'll provide you with a satisfactory solution.Usage precautions: When using a diamond drill bit for drilling, it is advisable to follow these precautions:- Wear personal protective equipment such as safety goggles, gloves, and a mask to protect your eyes, hands, and respiratory system.- Before using the drill bit, ensure that it is securely fastened and check for any damaged or worn diamond particles.- Use an appropriate cooling lubricant to reduce heat generated by the drill bit and the material, and to prolong the life of the drill bit.- Drill at the appropriate speed and pressure, avoiding excessive force that may damage the drill bit or the material.Feature- Dry drilling.- Ideal for tiles, granite and hard stone.- Vacuum Brazed Diamond Core Bits are very aggressive ideal for drilling ceramic and porcelain tiles along with granite, marble, and stone with super high precision while leaving smooth edges with minimal chipping.- Vacuum brazed technology is superior to electroplating in that the bits last much longer than electro-plated diamond bits.

• Diamond Core Drill Set Package Include - 4/5"(20mm)/1-3/8"(35mm)/2"(50mm)/3"(75mm)/4"(100mm)diamond tile drill bits+1pc 20mm Diamond Finger Bit,1pc 2"(50mm) diamond beveling chamfer bit, 1pc SDS shank and 1pc Hex shank, 1pc aluminum protective case with foam insert.
• Top-Notch Performance - Ours Vacuum Brazed Diamond Core Bits are very aggressive and ideal for drilling ceramic and porcelain tiles along with granite, marble, and stone with super high precision while leaving smooth edges with minimal chipping.
• Less Debris and Dust - Due to its immense cutting strength, diamond drill bits can cut through tough materials with ease, therefore producing less debris and dust during its operation.
• Detail - 6mm-75mm Recommended RPM is 6000; Maximum RPM is 11000, 100mm Recommended RPM is 3000; Maximum RPM is 6000 Widely used in Angle Grinder. If you want to use an electric drill or another machine, You can use the included SDS or HEX shank adapter.
• Application - Ideal for Dry drilling/milling for porcelain tile, granite, marble, stone, Masonry, brick... Wet drilling/milling can prolong the service life.