Check our exceptional Ball Shape carbide bur to make your metawork or sculpting work easier.Our burr bits cut metal, reforced plastic, ferrous materials, cast iron like butter, producing very small chips. Technical information Head Dia. 3/8 Head Length 3/8 Shank Dia. 1/4 OAL 2-1/8 Ideal HRC 54< Cut Double Cut Head Material Tungsten Carbide Shank Material Alloy Steel Machine Die Grinders Pneumatic Rotary Tools High Speed Engravers Application Steel Cast Iron Stainless Steel (INOX) Nickel-Based Alloys Titanium Alloys SHIPPING DIAMETER UNIT Pcs Package in Plastic BoxNet Weight 17.7Package Size 84 x 17 x 17mm