CARBIDE BUR, END TYPE POINTED, CUT TYPE DOUBLE, SHANK DIA. 1/4 IN, HEAD DIA. 3/8 IN, HEAD LENGTH 5/8 IN, INCLUDED ANGLE 28 DEGREES , OVERALL LENGTH 2 1/2 IN, TRADE NUMBER SM-4, PRIMARY MATERIAL APPLICATION CAST IRON, STAINLESS STEEL, STEEL, HEAD SHAPE CONE, SHANK LENGTH 1 3/4 IN, OPERATING SPEED - MAXIMUM 40,000 RPM, SYSTEM OF MEASUREMENT INCH, COATING BRIGHT (UNCOATED), COMPATIBLE TOOL TYPE DIE GRINDER, ROTARY POWER TOOL, STRAIGHT GRINDER, HEAD