10pcs Masonry Diamond Drill Bits,BeQell 1/4"-1/2" Concrete Diamond Hole Saw Kit for Wood Plastic Brick Ceramic Tile,Carbide Tips Quick Change Shank Core Drill Bit

BeQell Masonry Diamond Drill Bits,10pcs 1/4"-1/2" Concrete Diamond Hole Saw Kit for Wood Plastic Brick Ceramic Tile,Carbide Tips Quick Change Shank Core Drill Bit Great gift for father's day ,christmas and birthday

• 【Package Includes】Total 10pcs Carbide drill bits:2pcs of each 1/4",1/4",5/16",3/8",1/2"(6/6/8/10/12mm);Thread:Quick-fit Shank;Recommended 2000-5000 RPM,MAX 5000 RPM. The faster the speed, the longer the service life.Great gift for father's day ,christmas and birthday
• 【Quality Material】Industrial-grade tungsten carbide welded drill tip, good wear resistance, widely applicable; high-strength steel substrate, growth of service life.
• 【Head cross design】Precise cross head design can reduce the drill bit slipping and walking, is more stable drilling, easy to operate; head with spiral groove, easy to discharge chips;
• 【Wide Compatibility】Can be used for drilling and pre-drilling positioning, making drilling more accurate；Suitable for use with ordinary hand drills, table drills and rechargeable drills and other types of machines. DO NOT use impact or hammer mode!
• 【Multiple Application】Suitable for dry drilling wood, plastic (PVC pipe), foam tiles, antique tiles, glazed tiles, red bricks, cement, concrete (need to avoid steel reinforcement) , ect; Materials to be drilled with water or coolant (harder materials): glass tiles, full ceramic tiles, ceramics, marble, glass, etc;