PRODUCT DESCRIPTION
2615-5879 Features: -Hole saw.-Electron beam welded.-M-2 high speed steel.-Cutting edge Rc 63-65, varied tooth design.-Spring steel back, positive rake tooth.-Bi-metal means high speed steel teeth welded to a ''spring'' steel back.-Last 5 time longer.-Made in USA.-1-1/2'' cutting depth. Dimensions: -7/8'' hole saw, 3/4'' pipe tap, 1/2'' pipe entrance, 390 RPM for mild steel, 195 RPM for tool and stainless, 260 RPM for cast iron, 520 RPM for brass, and 585 RPM for aluminum.