8 Pcs 6mm-12mm Tungsten Carbide Burr Drill Bits 1/4inch Rotary Cutter

Tungsten carbide alloy rotary files have a wide range of uses and are used in mold processing and manufacturing. Beveling, rounding and groove processing of machine parts.It can process metals such as cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, and non-metals such as marble, jade and bones.It is widely used in machinery, automobile, shipbuilding, chemical industry, craft sculpture, etc.The processing quality is good, the finish is high, and the service life is long. Various high-precision mold cavities can be produced.Easy to understand, easy to use, safe and reliable. Greatly reduce heavy physical labor and reduce production costs.Groove: Double rotationA: Cylindrical shapeC: Cylindrical ball headD: sphericalF: arc round headUsage: only one side can be worn, not back and forthCarbide rotary files mainly support the use of electric tools or the use of electric tools or pneumatic tools (also can be installed on the machine tool)Cutting edge diameter: about 6-12mmTool handle diameter: about 6 mm (1/4inch)Total length: about 45-62mmMaterial:Tungsten steelcolour:SilverPackage Contents:8 x Double groove rotary file tungsten steel grinding headOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.