ITEM NAME:10Pcs 3x 6mm 1/4" inch Tungsten steel Solid Carbide Burrs Rotary Tool Drill Bit Description Description 100% new high quality Material: tungsten steel Product size: 3 * 6MM (handle diameter X head diameter) Processing hardness: HRA> 85 Product File: Double ribbed fine teeth Product weight: 78g Scope of application: Machinable cast iron, cast steel, bearing steel, high carbon steel, chrome-nickel alloy and other metals, as well as non-metal such as ceramic tiles, marble, jade, bones. The package contains: 10 in 1 tungsten car.Find many great new & used options and get the best deals for 10Pcs 3x 6mm 1/4" inch Tungsten steel Solid Carbide Burrs Rotary Tool Drill Bit at the best online prices at shop2india!