【Package Includes】3pcs dry drill bits 1/4"(6mm)+5pcs Vacuum Brazed Diamond Drill Bit Diameter 3/4",1",1-1/8",1-3/8",1-1/2"(20/25/28/35/38mm)Triangle shank,Diamond height 10mm,Total height 65MM
【Vacuum Brazed Diamond Technology】More Heavy Duty and Wear Resistant than electroplated diamond bit,provide very high efficiency,cuts faster,durable and sturdy
【Upgraded Design】High-quality diamond particles contribute to high efficiency and faster drilling speed; Triangle shank contributes to a more stable clamping.
【Diverse Functions】complete tool set can meet your various needs，You can drill holes of different sizes with drill bits and then shape and expand with a Chamfer Bit
【Machine】They can be used with hand drills, angle grinders, bench drills and most other machines.Notice If using Hammer Drill,please shut off Hammer Mode,Recommend 2000-5000 RPM,Max 5000 RPM,the faster the better.
