Install FindBuyTool Carbide Burr SJ-3 Cone 60 OMNI Range Head D 3/8 x 5/16L, 1/4 Shank, 2-1/5 Inch Full Length on your die grinder to do casting, porting, and profiling work. Our finest rotary burs are designed to fit most air or electric tools like die grinder, pneumatic rotary tool and high speed engraver. Technical information Head Dia. 3/8 Head Length 5/16 Shank Dia. 1/4 OAL 2-1/5 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 18.7Package Size 84 x 17 x 17mm