Flame Bur SH, Cut Type Double, Shank Dia. 1/4 in, Head Dia. 5/16 in, Head Length 3/4 in, Included Angle Not Applicable, Overall Length 6 3/4 in, Trade Number SH-2L6, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Stainless Steel, Titanium, Head Shape Flame, Operating Speed – Maximum 68,000 RPM, Coating Bright (Uncoated), Head Material Carbide, Shank Material Steel