Drill Bit,20pcs Double Cut Carbide Rotary Burr Set 1/8in Shank 1/4in and 1/8in Head Size Tungsten Steel Rotary Files Die Grinder Bits for Woodworking Drilling Metal Craving Engraving Polishing

Versatile Die Grinder Bits -- 20 different types sizes of carbide rotary file bits, oval, inverted cone, pointed cone, ball nose cone, ball nose, pointed tree nose, flame, ball, cylinder with round head and cylinder with end cut to meet your differe

Double Cut Design -- Double groove because the lines are crossed, which makes it more suitable for materials with relatively low density, such as wooden, plastic and aluminum. Dense lines on the Tungsten Steel can make the surface of the object smoot

Premium Quality -- High quality heat-treated tungsten carbide construct rotary burr set with high quality finish provide good toughness and resistance, sharp and sturdy.

Strong Compatibility -- 1/8inches(3mm) shank solid power tool carbide rotary file bit fit most small rotary tools, woodworking drilling carving engraving, making DIY carving fans much easier to do the wood working job.

Wide Application -- Widely used for metalwork, tool making, engineering, model engineering, wood carving, jewellery making, welding, chamferring, casting, deburring, grinding, cylinder head porting and sculpting.