Description of Neiko 10249A Premium Annular Cutting
[APPLICATION]: Annular cutters are specialized bits for drilling through steel without the need for pre-drilling or step drilling, and are comparable to hole saws for wood, but for steel metal, and comes with a 3/4” weldon style shank that fits all major brands of magnetic drill presses. [DURABLE]: The premium M2 cobalt high speed steel construction of each cutter provides superior cutting performance, while the reformulated aluminum additive withstands high temperature for maximum durability and provides maximum strength. [VERSATILE]: Each drill cutter has a 1 inch cutting depth that is ideal to create cylindrical, overlapping, and slotting holes on both ferrous and non-ferrous metals such as cast iron, stainless steel, aluminum, copper and more. [DESIGN]: The thin-walled hollow design and dual alternating teeth geometry delivers more efficiency and an aggressive cutting edge that is more effective than traditional hole saws and twist drill bits. [INCLUDES]: 6 common sizes of core drills: 9/16, 5/8, 11/16, 13/16, 15/16, 1-1/16 in. and 1 centering pilot pin in a resealable storage case for portability, organization at the tool shop and convenience.