Diamond Core Drill Bits Set - 10pcs Tile Hole Saw Kit + 3/8" Milling Bit with 2" Diamond Beveling Chamfer Bit + SDS Shank Adapter for Porcelain Ceramic Tile Granite Marble - BTBLBITS 6/8/10/25/35/50/65mm

• Package Content:10pcs in total.7pcs Diamond drill bits 1/4", 5/16", 3/8", 1", 1-3/8", 2", 2-1/2" (6/8/10/25/35/50/65mm), 1pc 2" (50mm) Diamond Beveling Chamfer Bit, 1pc 3/8" (10mm) Diamond Milling Bit, 1pc 5/8"-11 to SDS Shank Adapter Material Compatibility:Diamond drill bit set for Wet/Dry Drilling/Shaping/Enlaging/Cutting on various materials,such as Porcelain Ceramic Tile Granite Marble Stone and so on Durable and Sturdy:Vacuum Brazed technology provides high efficient working performance, faster drilling speed and longer service life Recommended Machine:the drill bits are usually suitable for Angle Grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to use electric drill or other machine, you can use Adapter in the package. Use electric drill: Recommended speed: 2000-5000RPM. Faster the RPM, Longer the drill bit's Working Life Conveniently:Aluminium portable suitcase for easy storage and portability.Reasonable product collocation meets most work demands