8pcs Diamond Hole Saw Drill Bits Set, 20/35/50/68/100mm Drill Bits & 25mm Drill Milling Bit & 50mm Beveling Chamfer Bit & HEX Adapter, For Ceramic Tile Marble Porcelain With M14 Thread

Produktbeschreibung

【Package Content】8pcs/box: 5pcs drill bits:Diameter 20/35/50/68/100mm, 1pc 25mm Finger Milling Drill Bit, 1pc 50mm Beveling Chamfer Bit, 1pc HEX Shank Adapter. In a Useful Box to Keep them Together and Easy to Find.Suitable for dry/wet drilling Porcelain Ceramic Tile Marble Granite, etc. 【High Durable & Efficiency】 High-quality diamond grains and vacuum brazed technology provides high efficient working performance/Faster Drilling Speed/Longer Service Life.Treated by special high-temperature resistant process,can be used directly dry drilling,also with water to extend service life. 【High Precision & Clean Cuts】 U-Grooves design fast chip removal,high-temperature resistant process allowing for greater accuracy in drilling and englarge/beveling/shaping existing holes. 【More Versatility & Convenience】 With a diamond drill bit set,you have a Range of sizes and types to tackle different projects and materials,save money. 【Recommended Machine】 With M14 thread,Recommended Speed 6000RPM;Triangle Adapter for electric drill,recommended speed 2000-5000RPM;Faster the RPM, longer the bit's working life;Hammer drill,you can use SDS Adapter but have to shut down hommer moder when using these bits;