1-3/8" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore MPN:MIT-435-28

The 1-3/8 diameter x 1/2 shank, 4 flutes straight shank with an interchangeable pilot counterbore offers superior performance for through-hole applications. This lathe bit is engineered to provide a smooth cut on various materials and designed to stay sharp longer. Ideal for aerospace industries or where precision engineering requires threaded holes in materials such as titanium, aluminum, stainless steel or super alloys without the need of a tap. It's interchangeable pilot counterbore feature ensures perfect alignment, reducing chatter and eliminates scrap material on reamers or boring bars when used with modern CNC machinery.