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Hole Saws & Mandrels
Hole Saws
IRWIN® Bi-Metal hole saws and hole saw kits feature patented Weldtec® 4.5/5.5 variable tooth design for longer life and improved cutting performance. Variable depth gullets reduce friction and improve chip clearance efficiency. Also available are durable hole saw arbors for 3/8 in. and 1/2 in. drill chucks with removable pilot drills for easy replacement.
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