Description 1 4 Inch Cone Shape Carbide Tungsten Steel Grinding Head for Rotary ToolSpecification Color silverMaterials tungsten steelShape coneOverall Length 17 3cmShank Diameter 1 4Head Diameter 1 4Whether It Is coated NOFeatures 1 Long lasting Durability than high speed steel tool to improve ten times more than 200 times higher than the small grinding wheel 2 Tungsten steel material with high hardness wear strength and toughness is good heat corrosion and a series of excellent performance especially its high hardness and wear resistance at 500 ℃ temperature is also basically the same 3 Easy to master easy to use safe and reliable Integrated processing costs can be reduced by several times Note1 Due to the manual measurement there might be some error 2 Carbide rotary file in the use of pneumatic or power tools the speed is generally 6000 40000 r min the tool must be clamped 3 The direction of cutting should be evenly moved from right to left not like the use of grinding wheel as a reciprocating cutting careful not to force too much the pressure is generally not more than 4 kg Package Included 1 x Tungsten Steel Grinding HeadMore Details